Ball B, of mass mb, is suspended from a cord of length l attached to a cart A, of mass ma, which can roll freely on a frictionless horizontal tract. Assuming that cart A is given an initial horizontal velocity v0 while ball B is at rest, determine:
a) The velocity of B as it reaches its maximum elevation
b) the maximum vertical distance h through which B will rise. ( It is assumed that2gl )

Answers

Answer 1

a) vB = {mB / (mA+mB)} v°

b) h = mA×v°²/mA+mB ×2g

What are the concepts applied in the question?

a) It implies from the impulse-momentum principle that the horizontal part of momentum is conserved in the absence of external horizontal forces. The velocity of B at its highest height can be used to solve this relation.

b) The initial kinetic energy and maximal potential energy may be related using the conservation of energy concept. This connection yields the greatest vertical distance.

How are momentum and impulse related?

Any moving body can have momentum since momentum is defined as mass in motion. The impulse of an item is equal to its change in momentum. Impulse is defined as a force multiplied by a time period. Instead of being the same as momentum, impulse is the change in momentum of an object.

To know more about Impulse- momentum visit

brainly.com/question/904448

#SPJ4

Answer 2

A cart A with mass ma that can freely roll on a frictionless horizontal tract is coupled to a ball B with mass mb that is strung from a rope of length l. h = mAv°2/mA+mB 2g, where vB = mB / (mA+mB) v°

What concepts are being used in the question?

a) The impulse-momentum principle suggests that, in the absence of external horizontal forces, the horizontal component of momentum is conserved. This relationship can be solved using the velocity of B at its maximum height.

b) The conservation of energy principle can be used to relate the initial kinetic energy and maximum potential energy. The longest vertical distance is produced by this connection.

How are impulse and momentum related?

Since momentum is characterized as mass in motion, it can exist in any moving body. An object's change in momentum is equal to its impulse. The definition of an impulse is a force times a time interval. Impulse is the change in momentum of an object as opposed to momentum itself.

To know more about Impulse-momentum visit:

brainly.com/question/904448

#SPJ4


Related Questions

Fill in the tables and find the equivalent resistance for the following circuits:

Fill in the tables and find the equivalent resistance for the following circuits:

Answers

Answer:

12 32

Explanation:

How much work, in Newtons, is required to lift a 20.4-kg (45lb) plate from the ground to a stand that is 1.50 meters up?

ASAP PLS

Answers

Answer:

Explanation:

Work, U, is equal to the force times the distance:

U = F · r

Force needed to lift the weight, is equal to the weight: F = W = m · g

so:

U = m · g · r

   = 20.4kg · 9.81 \(\frac{N}{kg}\) · 1.50m

   = 35.316 \(\frac{N}{m}\)

   = 35.316 W

True or false: You can create a network with two computers.



Answer
True

Answers

To create a computer network, you must have at least two computers. ... A protocol is a standard set of rules and procedures for the control of communications in a network. TRUE. Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms. So your right :)

Hope this helps :)
True u must use two computers

which zones should you search when approaching an intersection?

Answers

You should search the zones to the left and right of your vehicle, as well as any areas directly in front of the intersection, such as crosswalks, bike lanes, and medians. Additionally, you should be aware of any oncoming traffic or pedestrians who may be crossing the intersection.

When approaching an intersection, it is important to pay attention to all of the potential hazards around you. First, you should search the zones to the left and right of your vehicle. This includes looking for oncoming traffic, pedestrians, or cyclists who may be crossing the intersection or entering the roadway. Additionally, you should be aware of any obstacles that may be directly in front of you, such as crosswalks, bicycle lanes, or medians. By taking the time to search all of these zones and be aware of your surroundings, you can increase your safety and the safety of others.

Learn more about Intersection: https://brainly.com/question/12227980

#SPJ4

Which is an example of poor sportsmanship?
A.Yelling at the referee
B.Helping a player off the field
C.Encouraging a teammate
D.Cleaning up equipment

Answers

Answer:

A

Explanation:

Answer:

the answer is a

Explanation:

poor sportsmanship is a terrible thing and will decrease team moral while great sportsmanship is help each other and staying positive on and off the field

What is the 2s complement of the BINARY number 111110100.101 ?
a. 000001011.011
b. 110011011.111
c. 001001101.001
d. 000100010.010
e. None of the choices

Answers

Answer:

999999999999999999999

Need help fast 50 points Project: Creating a Morphological Matrix
Assignment Directions

A systematic way to view common functionality of an object's structure and components is through a morphological matrix. You are going to utilize this method to analyze a common household device (from the list below or your own idea). First, create the left-hand column by deciding on the parameters that allow the object to function normally. For example, a pencil sharpener has a blade and a housing unit to support the system. Use the parameters to describe the system. If the pencil sharpener is hand operated, list the parameter of hand turning (either the pencil itself in a small unit or a handle in a wall-mounted device). The parameter column can include specific structures in the device, power sources, or any other information you learned in the lesson. The right-hand columns will include the current methods used by the device to complete the parameter, as well as any other options that would satisfy the parameter. You must create at least two other options for each parameter.

While the matrix provides valuable information for an engineer, it is typically more technological than a client or decision team needs. Therefore, you will also need to complete a one- or two-page analysis of the device, including the current parameter solutions and any recommended alterations to a design. Each recommendation must be supported by information in the morphological matrix.

Here are some ideas of household devices that you can analyze:

can opener
bathroom or kitchen scale
doorknob assembly
stapler
Assignment Guidelines

a completed morphological matrix
each parameter must have at least three solutions
a written analysis of the device with supporting details from the matrix
Submission Requirements

One to two pages double spaced

Proper grammar and vocabulary is required.

Answers

Answer:

The fundamental difference between effective and less effective matrix organizations is whether the tension between different perspectives is creative or destructive. While various processes, systems and tools can help, what matters most is what top leadership says and does and how that flows through the organization in shared targets, clear accountabilities, live team interactions and team-building transparency and behaviors.

Getting matrix management right is linked inextricably to an organization’s culture - the only sustainable competitive advantage. Key components of a culture can be grouped into behaviors, relationships, attitudes, values and the environment.

Environment and values: Each organization has its own environment, context and bedrock values. Everyone needs to know what matters and why. Don’t try to do anything else until you’ve got that set.

Attitude is about choices: An organization’s overall strategy drives choices about which of its parts will be best in class (superior), world class (parity), strong (above average), or simplified/outsourced to be good enough. These choices help determine the need for a matrix and how best to design it.

Relationships and behaviors: This is why organizations have matrices. The most effective of them best balance focus and collaboration. They allow leaders and teams to build differential strengths and then work together to make the best possible decisions and scale enterprises with a creative tension that they could not do on their own.

My colleague Joe Durrett has worked all sides of matrix organizations in marketing at Procter & Gamble, sales and general management at Kraft General Foods and CEO of Information Resources, Broderbund Software and Advo. He has seen matrices at their best and at their worst and offered his perspective for this article along with his partners John Lawler and Linda Hlavac. The 12 ways to make matrix organizations more effective were built on their ideas.

Explanation:

Q1: Write Python a pay computation program that gives the employee 1.5 times the hourly rate for hours worked above 40 hours (and regular 1.0 rate for less than 40 hours). Use Try/Except to handle non-numeric input gracefully.
​Ex: Enter Hours: 45
Enter Rate: 10
Pay: 475.0
Enter Hours: 20
Enter Rate: nine
Error, please enter numeric input

Answers

In order to write a Python pay computation program that gives the employee 1.5 times the hourly rate for hours worked above 40 hours try:

In this code, the input() function is used to prompt the user to enter the number of hours and the hourly rate. Then the try and except block is used to catch the exception if the input entered by the user is not numeric.In the first try block, the input entered by the user for the number of hours is converted to a float. If the input is not numeric, then the except block is executed and an error message is printed.

In the second try block, the input entered by the user for the hourly rate is converted to a float. If the input is not numeric, then the except block is executed and an error message is printed. If the number of hours entered by the user is greater than 40, then the pay is calculated as follows:

To know more about Python visit:-

https://brainly.com/question/17010905

#SP

Which of the following is an example of a tax

Answers

Answer:

A tax is a monetary payment without the right to individual consideration, which a public law imposes on all taxable persons - including both natural and legal persons - in order to generate income. This means that taxes are public-law levies that everyone must pay to cover general financial needs who meet the criteria of tax liability, whereby the generation of income should at least be an auxiliary purpose. Taxes are usually the main source of income of a modern state. Due to the financial implications for all citizens and the complex tax legislation, taxes and other charges are an ongoing political and social issue.

I dont know I asked this to

Explanation:

Discuss on forced convection heat transfer with real examples.

Answers

Answer:

forced convection

Explanation:

When a fan, pump or suction device is used to facilitate convection, the result is forced convection. Everyday examples of this can be seen with air conditioning, central heating, a car radiator using fluid, or a convection oven.

four subjects civil engineers need to study​

Answers

Answer:

A civil engineering degree program applies mathematics and physical science to solve specific, real-world problems in commerce and industry. A strong civil engineering program typically emphasizes the practical use of geometry, trigonometry, and calculus in conjunction with physics, material science, and chemistry.

Explanation:

Hope this helps!! Please consider marking brainliest! Have a good one!!

A rigid container is partly filled with a liquid at 1520 kPa. The volume of the liquid is 1.232 litres. At a pressure
of 3039 kPa, the volume of the liquid is 1.231 litres.
a. Calculate the average bulk modulus of elasticity of the liquid

Answers

Answer:

Bulk modulus: ß = - ∆p/(∆V/V)

∆p = (3039 - 1520)x10³ = 1519 kPa

∆V = 1231 - 1232 = -1 m³

V = 1232 m³

ß = - 1519/(-1/1232) = 1.87x10^6 kPa = 1.87 GPa

Explanation:

a.The average bulk modulus of elasticity of the liquid is 1.87 GPa

b. Coefficient of compressibility 0.5437 GPa-¹

c Velocity of sound 1.87 x 10^9P

a. Bulk modulus of elasticity

ß = - ∆p/(∆V/V)

First step  is to determine ∆p

∆p = (3039 kpa - 1520 kpa)x10³

∆p  = 1519 kPa

Second step is to determine ∆V

∆V = 1231 litres - 1232 litres

∆V = -1 m³

Now let determine the Bulk modulus of elasticity

Bulk modulus of elasticity= - 1519/(-1/1232)

Bulk modulus of elasticity= 1.87x10^6 kPa

Bulk modulus of elasticity= 1.87 GPa

b. The coefficient of compressibility

Coefficient of compressibility=β =1/K

Coefficient of compressibility=β =1/1.87

β =0.5437 GPa-¹

C. Velocity of sounds  in the medium with a density of 1593 kg/m3

V=√K/ρ

V=√1.87×10^9/ 1593

V=1083m/s

V = 1.87 x 10^9P

Inconclusion:

a.The average bulk modulus of elasticity of the liquid is 1.87 GPa

b. Coefficient of compressibility 0.5437 GPa-¹

c Velocity of sound 1.87 x 10^9P

Learn more here:

https://brainly.com/question/16393481

Standards relating to technical drawing

Answers

Answer:

Borders, Dimensions Identified, Scale, Text Box with Date/Author/Title/Version Number

Explanation:

Technical drawings have many standards in order to maintain integrity and ensure that they can be used by engineers to produce what is mapped out in the drawing.

Every technical drawing needs to have borders and a text box with all information related to the drawing. This includes the date it was created, date it was updated, version number, title, and author.

Furthermore, each drawing should have necessary dimensions with a scale. At the same time, technical drawings should not be over-dimensioned or repetitive.

All of these things must be on a technical drawing to allow professional engineers to sign off on drawings.

what is the preferred method of bleeding the brake system

Answers

Pressure Brake Bleeding Method

It keeps the brake system under pressure and is the best brake bleeding method for flushing dirty fluid from the system
The preferred method of bleeding a brake system involves the following steps:

Gather Materials: You will need a proper brake bleeding kit, a container to catch brake fluid, a wrench, and fresh brake fluid.Locate the Bleeder Valve: Locate the bleeder valve on the caliper or wheel cylinder. The bleeder valve is typically located at the top or bottom of the brake caliper or wheel cylinder and is a small screw-like fitting.Clean the Bleeder Valve: Before you begin, it is essential to clean the bleeder valve to prevent dirt and debris from entering the brake system. You can clean the valve with a wire brush or a clean cloth.Attach the Bleeding Kit: Attach the bleeding kit to the bleeder valve. The bleeding kit typically consists of a clear tube that fits over the bleeder valve and a container to catch the old brake fluid.Open the Bleeder Valve: Use a wrench to loosen the bleeder valve just enough to allow brake fluid to flow out. It is important to make sure that the valve is not loosened too much, or it may come out entirely.Pump the Brakes: Ask someone to press the brake pedal several times, hold it down, and then release it. Each time the pedal is pressed, it will force brake fluid out of the bleeder valve and through the clear tube. Repeat this process until clean brake fluid without air bubbles comes out.Close the Bleeder Valve: Once you have a steady stream of clean brake fluid, close the bleeder valve, and tighten it with a wrench.Repeat the Process: Repeat the process on the remaining wheels, starting from the wheel furthest from the master cylinder and working your way closer.Check Brake Fluid Level: Once you have completed the bleeding process, make sure to check the brake fluid level in the master cylinder and top it off if needed.Test Drive: Test drive the vehicle to ensure the brakes are functioning correctly.Remember to always refer to your vehicle's owner's manual or a certified mechanic for specific instructions and safety precautions before performing any brake work.

pjm, the regional grid operator that includes peco, has asked for consumers to look for ways to safely conserve electricity until 10 a.m. tomorrow. if your health permits, please consider reducing the use of your electricity.

Answers

PJM Interconnection, the electricity grid operator for 65 million people in 13 states and the District of Columbia, has requested the public in its region to conserve electricity.

What is grid?GRID is a user-friendly data tool for the average person in a world full of sophisticated software created for experts. Our goal is to enable contemporary knowledge teams to investigate, clarify, and work together on numbers. Spreadsheet data is made simple to understand and use by GRID, enabling your team to operate at peak efficiency and perform like the champions they are.Build stunning interactive models with your spreadsheet data, enrich your analyses with narratives, and much more. In just a few minutes, you can edit, update, and work on GRID documents with your team.  Make a new GRID document, add a spreadsheet from your computer or from a cloud drive, and then connect it. Data will be necessary for your work.

To learn more about spreadsheet refer to:

https://brainly.com/question/26919847

#SPJ4

An amount P is deposited now so that an equal annual amount of A1=2000 per year for the first 5 years, starting 1year after the deposit. And a different annual withdrawal of A2= 3000 per year for the following 3 years. Draw the cash flow diagram if i=8.5% per year.

Answers

Based on the amounts to be withdrawn over the years and the interest rate, the amount deposited now is $12,977.

How much is deposited now?

This can be found as:
= (2,000 x Present value of annuity interest factor, 8.5%, 5 years) + (3,000 x Present value of annuity interest factor, 8.5%, 8 years) - (P/A, 8.5%,  5 years)

= (2,000 x 3.9406) + (3,000 x (5.6392 - 3.94064))

= $12,977

The cashflow diagram is attached.

Find out more on cashflow diagrams at https://brainly.com/question/23841852.

An amount P is deposited now so that an equal annual amount of A1=2000 per year for the first 5 years,

What can be defined as the planning, coordination, and communications functions that are needed to resolve an incident in an efficient manner?

Answers

Incident handling can be defined as the planning, coordination, and communications functions that are needed to resolve an incident efficiently.

What is incident handling?In the areas of computer protection and transmission technology, computer safety incident surveillance involves the monitoring and detection of security occurrences on a computer or computer network and the execution of proper answers to those circumstances. Especially, a happening reaction process is an assemblage of strategies aimed at identifying, analyzing, and responding to potential security happenings in a way that underestimates impact and supports rapid comeback. Incident handling is a systematic set of recovery tactics for the restoration of organizational security. Given that adversaries have already damaged the institution's protection, this healing is always time-critical and usually stressful.

To learn more about Incident handling, refer to:

https://brainly.com/question/13146949

#SPJ4

The most common type of pressure gauge is the 1. Piston 2. Linkage 3. Bourdon Tube 4. 5. Temperature​

Answers

Answer:

Bourdon Tube gauge

Explanation:

The most popular type of pressure gauge in several countries is the Bourdon pressure tube gauge, that is used to determine medium and high loads. Bourdon tube  will measure pressures ranging between 600 mbar - 4,000 bar. While the inner pressure is greater than the exterior pressure, the tube pushes forward, and vise versa.

Consider these two sentences: "The boy was sick from eating so much ice cream," and, "That boy ate so much ice cream, it made him sick." These sentences have similar ------ but different syntax.

Answers

The given sentences have similar semantic meaning but different syntax.


Both sentences convey the same message that the boy got sick after consuming a large amount of ice cream. However, the first sentence emphasizes the result or consequence of eating too much ice cream, whereas the second sentence emphasizes the cause of the boy's sickness.

The syntax in the first sentence is subject-verb-object, while the second sentence follows a subject-object-verb structure. The second sentence uses the cause-effect relationship, where the cause (eating too much ice cream) is followed by the effect (getting sick), while the first sentence describes the effect first and then mentions the cause. In essence, the difference in syntax highlights a different perspective or emphasis on the same event.

In summary, both sentences are similar in meaning, but the syntax used changes the way the information is presented.

Learn more about syntax: https://brainly.com/question/21926388

#SPJ11

in the mvc architecture the functionality of the system is organized into services, with each service delivered from a separate server..........(t/f)

Answers

It is False to state that in the MVC Architecture the functionality of the system is organized into services, with each service delivered from a separate server. The above scenario occurs within Client-Server Architecture.

What is MVC Architecture?

Model-view-controller is a software architecture style for building user interfaces that divides the underlying program logic into three interrelated pieces. This is done to isolate internal information representations from how data is communicated to and accepted by the user.

The Model-View-Controller (MVC) architectural pattern, on the other hand, divides an application into three key logical components: the model, the view, and the controller. Every one of these components is designed to handle particular parts of an application's development.

Learn more about MVC Architecture:
https://brainly.com/question/28299030
#SPJ1

The steel shaft has a diameter of 40 mm and is fixed at its ends A and B . If it is subjected to the couple determine the maximum shear stress in regions AC and CB of the shaft. G st = 75 GPa.
Q6/

Answers

Answer:

See explanation.

Explanation:

Since no figure was given I solved a problem that was similar to the one you described that I worked in my mechanics of materials class. The method should be very similar for your figure. See attached image for my work.

The steel shaft has a diameter of 40 mm and is fixed at its ends A and B . If it is subjected to the

If it is subjected to the couple determine the maximum shear stress in regions AC and CB of the shaft. G st = 75 GPa. Than the answer will be 52Mpa.

What we need to perform?

We need to perform a two step process to obtain the maximum shear stress on the shaft. For the solid shaft,

P=2×pi×N×T/60 or T=60×p/2×pi×N

Where P=power transmitted by the shaft=50×10³W

N=rotation speed of the shaft in rpm=730rpm

Pi=3.142

T is the twisting moment

By substituting the values for pi, N and P, we get

T=654Nm or 654×10³Nmm

Also, T=pi×rho×d³/16 or rho=16×T/pi×d³

Where rho=maximum shear stress

T = twisting moment=654×10³Nmm

d= diameter of shaft= 40mm

By substituting T, pi and d

Rho=52Mpa

b. For a hollow shaft, the value for rho is unknown

T=pi×rho(do⁴-di⁴/do)/16

Rho=T×16×do/pi×(do⁴-di⁴)

Where

T= twisting moment=654×10³Nmm gotten above

do=outside shaft diawter=40mm

di= inside shaft diameter =30mm

Pi=3.142

Substituting values for pi, do, di and T.

Rho=76Mpa

Therefore, If it is subjected to the couple determine the maximum shear stress in regions AC and CB of the shaft. G st = 75 GPa. Than the answer will be 52Mpa.

Learn more about shaft on:

https://brainly.com/question/30541080

#SPJ2

Hey guys can anyone list chemical engineering advancement that has been discovered within the past 20 years

Answers

Top 10 Emerging Technologies in Chemistry
Nanopesticides. The world population keeps growing. ...
Enantio selective organocatalysis. ...
Solid-state batteries. ...
Flow Chemistry. ...
Porous material for Water Harvesting. ...
Directed evolution of selective enzymes. ...
From plastics to monomers. ...

What problem solving strategies don’t gaurentee solutions but make efficient use of time

Answers

The strategy is Heuristics

A series RLC circuit is driven by an ac source with a phasor voltage Vs=10∠30° V. If the circuit resonates at 10 3 rad/s and the average power absorbed by the resistor at resonance is 2.5W, determine that values of R, L, and C, given that Q =5.

Answers

Answer:

R = 20Ω

L = 0.1 H

C = 1 × 10⁻⁵ F

Explanation:

Given the data in the question;

Vs = 10∠30°V   { peak value }

V"s\(_{rms\) = 10/√2 ∠30° V

resonance freq w₀ = 10³ rad/s

Average Power at resonance Power\(_{avg\)  = 2.5 W

Q = 5

values of R, L, and C = ?

We know that;

Power\(_{avg\) = |V"s\(_{rms\)|² / R

{ resonance circuit is purely resistive }

we substitute

2.5 = (10/√2)² × 1/R

2.5 = 50 × 1/R

R = 50 / 2.5

R = 20Ω

We also know that;

Q = w₀L / R

we substitute

5 = ( 10³ × L ) / 20

5 × 20 = 10³ × L

100 = 10³ × L

L = 100 / 10³

L = 0.1 H

Also;

w₀ = 1 / √LC

square both side

w₀² = 1 / LC

w₀²LC = 1

C = 1 / w₀²L

we substitute

C = 1 / [ (10³)² × 0.1 ]

C = 1 / [ 1000000 × 0.1 ]

C = 1 / [ 100000 ]

C = 0.00001 ≈ 1 × 10⁻⁵ F

Therefore;

R = 20Ω

L = 0.1 H

C = 1 × 10⁻⁵ F

Describe the blade design for a wind turbine that you would choose. Why did you choose this design?

Answers

Answer: aerofoil type blades

Explanation: they are more difficult to make but offer better performance and higher rotational speeds making them ideal for electrical energy generation.

Estimate the uncertainty for measuring the coefficient of drag of 0. 1 on an object with a planform area A = 0. 5 m^2 as a function of velocity for velocities ranging from 1 m/sec to 100 m/sec (C_D = D/1/2 rho V^2 A) using a force balance that has a resolution of 1 N and a range of 1000N. The area is known with an uncertainty of 0. 15%, and the velocity is known with an uncertainty of 0. 1 m/s. The fluid density is inferred from the ideal gas law and where the temperature is known with an uncertainty of 1 degree C and the pressure is known with a certainty of 0. 2 kPa. Assume room temperature is 20 degree C and the pressure is atmospheric pressure

Answers

To estimate the uncertainty for measuring the coefficient of drag (C_D) of an object with a planform area of A = 0.5 m² as a function of velocity, we need to consider the sources of uncertainty in the measurements of velocity, force, and area.

First, we need to calculate the range of expected drag force measurements. Using the given force balance with a resolution of 1 N and a range of 1000 N, the uncertainty in force measurements can be estimated to be ±0.5 N. For a given velocity, the drag force can be calculated using the formula: D = C_D * 0.5 * rho * V^2 * A, where rho is the fluid density, V is the velocity, and A is the planform area. The uncertainty in the planform area is given as 0.15%, which corresponds to ±0.00075 m². We can assume that the uncertainty in the fluid density is negligible compared to the other sources of uncertainty.

Next, we need to estimate the uncertainty in velocity measurements. The velocity is known with an uncertainty of 0.1 m/s, which corresponds to ±0.05 m/s. To estimate the range of expected drag force measurements, we can use the maximum and minimum values of the velocity range (1 m/s to 100 m/s) and the maximum and minimum values of the planform area uncertainty. This gives us a range of expected drag forces from ±0.026 N to ±526 N.

Finally, we can estimate the uncertainty in the coefficient of drag by dividing the uncertainty in drag force by the maximum possible drag force, which occurs at the highest velocity and with the maximum planform area uncertainty. This gives us an uncertainty in drag force of ±0.526 N. Dividing this by the maximum drag force of 1000 N gives us an uncertainty in the coefficient of drag of approximately ±0.00053.

Therefore, the uncertainty in the coefficient of drag for an object with a planform area of 0.5 m² as a function of velocity, measured using a force balance with a resolution of 1 N and a range of 1000 N, is approximately ±0.00053.

To estimate the uncertainty in measuring the coefficient of drag (C_D), we need to consider the uncertainties in the various parameters involved, including the force measurement, planform area, velocity, fluid density, and their respective relationships in the equation for C_D.

1. Uncertainty in force measurement:

The force balance used for the measurement has a resolution of 1 N and a range of 1000 N. The uncertainty in force measurement can be estimated as:

δF = ±(1/2) * (F_range / resolution) = ±(1/2) * (1000 / 1) = ±500 N

2. Uncertainty in planform area:

The planform area A is known with an uncertainty of 0.15%. Therefore, the uncertainty in A can be estimated as:

δA = ±(0.15/100) * A = ±0.00075 m^2

3. Uncertainty in velocity:

The velocity is known with an uncertainty of 0.1 m/s. Therefore, the uncertainty in velocity can be estimated as:

δV = ±0.1 m/s

4. Uncertainty in fluid density:

The fluid density can be inferred from the ideal gas law, assuming room temperature of 20°C and atmospheric pressure. The uncertainty in fluid density can be estimated using the following formula:

δρ = (δP/P + δT/T) * ρ

where δP is the uncertainty in pressure, δT is the uncertainty in temperature, and ρ is the fluid density. Assuming a pressure uncertainty of 0.2 kPa and a temperature uncertainty of 1°C, we get:

δρ = ((0.2/101.3) + (1/293)) * ρ = 0.0054 * ρ

5. Relationship between parameters:

Finally, we need to consider the relationship between the parameters in the equation for C_D. Using the formula for C_D = D/(1/2 ρ V^2 A), we can estimate the uncertainty in C_D as:

δC_D/C_D = √[(δD/D)^2 + (2δρ/ρ)^2 + (δV/V)^2 + (δA/A)^2]

where δD is the uncertainty in force measurement, δρ is the uncertainty in fluid density, δV is the uncertainty in velocity, and δA is the uncertainty in planform area.

Substituting the estimated uncertainties, we get:

δC_D/C_D = √[(500/1)^2 + (2*0.0054)^2 + (0.1/V)^2 + (0.00075/A)^2]

We can estimate the maximum uncertainty in C_D by substituting the maximum values for V and A:

δC_D/C_D = √[(500/1)^2 + (2*0.0054)^2 + (0.1/1)^2 + (0.00075/0.5)^2] = 1.10

Therefore, the estimated uncertainty in measuring the coefficient of drag is approximately ±10%.

Consider a Diesel cycle that starts (at point a in Fig. 20.7) with air at temperature Ta. The air may be treated as an ideal gas. (a) If the temperature at point c is Tc, derive an expression for the efficiency of the cycle in terms of the compression ratio r. (b) What is the efficiency if Ta

Answers

Answer:

b

Explanation:

what is anythin efficiency if ta

Develop rough sketches of ideas bridge ​

Answers

Answer:

look online

Explanation:

problem 3 (25 points). in the design of a civil jet transport, such as the boeing 777links to an external site., the choice of engine size is usually based on having a 300 feet per minute rate-of-climb capability at the top of climb to cruising altitude. this is a safety margin. assume the following cruise conditions at top of climb for the boeing 777: l/d

Answers

The calculated thrust that we are required to find in this question are solved as:

150.45The static thrust at the sea level = 2446521.9 / 18 = 135.917 N

How to solve for the thrust

Rate = excess power / weight

= dn / dt

= V∞sin θ

V∞sin θ = Tn - Tr / w * V∞

sin θ  = Tn - D / w

Tr = D

sin θ = T / w - D / w

T / w = sin θ + D / w

We would have the formula here as

ma x √vRTw

= 0.85 x √1.4 x 287 x 226.73

= 256.5 m/s

Next we have to solve for the angle of climb

∅ = sin⁻¹ (1.524 / 256.5)

= 5.94 x 10⁻³

T = w (θ + 1/10)

= 2446521.9 * 5.94 x 10⁻³ * 1/18

= 150.45

The static thrust at the sea level = 2446521.9 / 18

= 135.917 N

Therefore the required thrust at the cruising altitude is equal to  150.45

while the corresponding thrust at the sea level is equal to 135.917 N

Read more on  static thrust  here

https://brainly.com/question/426110

#SPJ1

problem 3 (25 points). in the design of a civil jet transport, such as the boeing 777links to an external

the fact that the dataset includes people who all live in the same zip code might get in the way of ____ . 1 point spreadsheet formulas or functions fairness accuracy data visualization

Answers

The fact that the dataset includes people who all live in the same zip code might get in the way of accuracy and fairness.

When a dataset consists of people from the same zip code, it can introduce biases and limitations that hinder the accuracy and fairness of the analysis. Zip codes often correspond to specific geographical areas, which means that the dataset might lack diversity in terms of demographics, socioeconomic status, and other important variables. This lack of representation can lead to skewed results and inaccurate conclusions when trying to make generalizations or predictions about a broader population.

In terms of accuracy, relying on a dataset with a homogeneous zip code can result in misleading findings. The insights derived from such a limited sample may not be applicable to the entire population or other regions. It could lead to overgeneralizations or assumptions that may not hold true when considering a more diverse population. Additionally, certain zip codes may have unique characteristics or circumstances that do not reflect the broader population, further distorting the accuracy of the analysis.

Furthermore, the fairness of the analysis may be compromised when using a dataset limited to a single zip code. If important variables such as income, race, or education level are not adequately represented in the dataset due to the lack of diversity within the zip code, any conclusions drawn from the analysis may not be equitable or inclusive. This can have implications for decision-making processes, policy development, or resource allocation, as it may perpetuate existing inequalities or overlook specific needs and challenges faced by different groups within the larger population.

Therefore, it is crucial to ensure that datasets are representative and diverse, including individuals from various zip codes and geographic areas, to enhance both the accuracy and fairness of the analysis.

Learn more about dataset here:
https://brainly.com/question/31190306

#SPJ11

Other Questions
Three important differences from the novel and movie Big Fish 4. Qu est pasando ahora en la Estacin Cientfica Neumeyer enAntrtida (Antarctica)? Read the statement below. Choose TRUE if the statement is correct and FALSE if the statement isincorrect.1. Elizabeth was a relative of Mary, the mother of Jesus.2. John was considered the last of the prophets because his ministry wasbasically, point out the direction of Mary's coming.3. The era of the prophets of old, where John also belonged, had to gradually fade and willbe replaced by coming of the New Covenant in the very person of Jesus.4. With the coming of Jesus, the Messiah, everything that was written wasfulfilled, thus, the Old Testament prophecies had to close.5. The act of bathing in water as a sign of spiritual purification was not a common religioussymbol for many religions, including Judaism.PLEASE HELP NEED KONAPO HUHUHU the boiling point of pure water is 100.0c. what will be the boiling point in celsius of a 1.270 molal aqueous nacl solution? (kb -5/6+2/6=What is the answer to this? help me please i will give you brainlyist I need real answers not links The german goverment believed that the sinking of teh lusitania was a legitimate act because the ship was quizelt Evaluation of an adult client reveals oversecretion of growth hormone. Which of the following would the nurse expect to find?A. Excessive urine outputB, Constant thirstC. Weight lossD. Bulging forehead What is the correct multiple choice option? The chair of the board of the local historical association chose the bank where the organization keeps its money; however, the office manager is the primary person who makes deposits, writes checks, and balances the account every month. The office manager is the ________ in the buying center for the bank account. NO LINKS plisssss helpppp meee If the estimated rate of gross profit is 30%, what is the estimated cost of the merchandise inventory on September 30, based on the following data? Sep 1 Merchandise inventory (at cost) $81,544 Sep. 130 Parchases, et (at cost) 192,502 Sep. 130 Sales 137,007 OS 06.145.905 Oc957.753 Od. 141.100 put the stages of cell cycle in order help Gap 1 cytokinesis metaphase Gap 2 telophase anaphase s phase prophase What is the slope and the y-intercept of the following linear equation? Is the poet now a child? Is his mother still alive? (RAIN ON THE ROOF) Companies that sell household products and food have very little relation to the state of the economy because such basic needs do not go away. These stocks tend to have ________ betas.A) highB) infiniteC) negativeD) low What additional piece of information must be known in order to calculate the volume of the cylinder below?in.the diameter of a basethe height of the cylinderthe area of a baseOthe radius of a base Which of the following explains why the plague spread so quickly from Asia to Europe?The slave trade in Africa had connected the Indian traders with Italy.Turkish merchants had brought Slavic groups into central Asia.Warming temperatures were making it easier to cross the Ural MountainsO Trade routes were connecting more people in both Europe and Asia. Isabel y Elena son dos hermanas que 1. preparan para una fiesta de quinceaera. Debemos acostar 2. temprano esta noche, dice Isabel. S, y maana yo 3. bao primero. Despus 4. maquillo y 5. pinto las uas. Me gusta preparar 6. lentamente, dice Elena. Es verdad, dice Isabel. Siempre 7. preparas ms lentamente que yo. La noche de la fiesta Elena 8. arregla el pelo primero y luego ayuda a Isabel. Las dos 9. visten y salen para la fiesta a las seis y media.