The interaction between users and an information system is depicted visually using use case diagrams, a technique of the Unified Modeling Language (UML).
Is there a UML technique that depicts how people interact with information systems visually?
UML is a diagrammatic presentation that covers a range of topics, including software development, implementation, and maintenance. It is possible to successfully build communication between users and an information system with the use of numerous use case diagrams.
Is that method of unified modelling language visual?A visual language called UML gives software developers and engineers a way to build, describe, and visualise software systems. Although UML is not a programming language, it can offer visual representations that aid in helping software developers comprehend probable outcomes or faults in programmes.
To know more about UML visit :-
https://brainly.com/question/28269854
#SPJ4
in migrationist and diffusionist explanations of the past, a "people" is defined as
In migrationist and diffusionist explanations of the past, a "people" is defined as a group of individuals who share a common cultural heritage, ancestry, language, or geographic origin.What is migrationism?Migrationism refers to a school of thought that asserts that cultural and technological progress are propelled by the migration of people and ideas.
When people migrate to new locations, they bring their culture and knowledge with them, allowing it to spread to new areas. Migrationism is linked to the concept of cultural diffusion, which refers to the spread of cultural elements, including religious and artistic ideas, from one culture to another.Migrationists believe that human civilization is constantly changing, evolving, and developing, with new ideas and innovations emerging as a result of human movement and interaction. This perspective acknowledges that societies are often formed and modified by external influences, including the migration of people from other cultures and geographic regions.
\What is diffusionism?Diffusionism, also known as cultural diffusionism, is the view that cultural elements, including religious and artistic ideas, originate from a single source and then spread to other cultures, often through trade, migration, and other forms of contact. According to diffusionism, all cultures can trace their origins back to a few ancient civilizations, such as those of Egypt, Greece, or China.Diffusionism was popular in the early twentieth century, particularly among anthropologists and archaeologists. However, its simplistic explanations for the origin and spread of cultural elements have been widely criticized.
To know more about language visit:
https://brainly.com/question/32089705
#SPJ11
5-9. A new six-speed automatic transmission
for automobiles offers an estimated 4% improvement
in fuel economy compared to traditional fourspeed
transmissions in front-wheel drive cars. If a
four-speed transmission car averages 30 miles per
gallon and gasoline costs $4.00 per gallon, how much
extra can a motorist pay for a fuel-efficient six-speed
transmission? Assume that the car will be driven for
120,000 miles over its lifetime of 10 years. The motorist
can earn 6% per year on investments. (5.3)
If a four-speed transmission car averages 30 miles per gallon and gasoline costs $4.00 per gallon, the maximum amount that should be paid for a fuel-efficient six-speed transmission is $453.
What is the explanation for the above results?We are given the following:
Total Fuel Cost when using traditional transmission = Miles Per Year / Miles Per Gallon x Per Gallon Cost
= Miles/year
= 120000 / 10 = 12,000 miles
Hence the Total Fuel Cost = 12000/30 x 4
= $1,600
With 6 speed , miles per gallon = 30 x (1+ 0.04) = 30* 1.04 = 31.20 MPG
Hence the reviewed Cost = 12000 / 31.20 * 4 = $1,538.50
This means that Yearly Savings in cost = 1,600 - 1538.50
= $61.50 per year
Hence, every year we save $61.50
Therefore, the maximum amount that will be paid extra is the present value of all the savings where n =10 and i = 6%
So, PVIFA (n=10 , i=6%) = 7.3601
So Present Value of Cash Flows = 61.50 x 7.3601 = 452.64615
\(\approx\) $ 453
Learn more about maximum values:
https://brainly.com/question/14316282
#SPJ1
Please give a detail explanation, thank you
1) When solving the impact problems, we should always assume that during an impact between two bodies, there is no permanent deformation in the bodies.
True or false
2) If a semi-truck collides head-on with a mini car, which one will exert more force?
Semi-truck on the mini car
Mini car on the semi-truck
There is no force exerted
Both vehicles will exert equal force
The given statement "When solving the impact problems, we should always assume that during an impact between two bodies, there is no permanent deformation in the bodies" is False and there is usually some amount of permanent deformation during an impact when semi-truck collides head-on with a mini car.
The statement is False because In reality, there is usually some amount of permanent deformation that occurs during an impact, especially if the impact is severe. However, in many cases, the amount of deformation may be negligible or can be ignored for simplicity in calculations.Therefore the statement is False.
If a semi-truck collides head-on with a mini car then According to Newton's Third Law of Motion, every action has an equal and opposite reaction. Therefore, both the semi-truck and the mini car will exert equal force on each other during a head-on collision. The force experienced by each vehicle will depend on factors such as their mass, speed, and the duration of the impact. However, it is likely that the semi-truck, being much larger and heavier than the mini car, will experience less of a change in velocity than the mini car and therefore will exert more force on the smaller vehicle.
To practice more questions on force:
https://brainly.com/question/12970081
#SPJ11
(b) Determine the magnitude and the direction of the resultant of forces shown below using Cartesian vector notation method. (10Marks) F3-700N F2=600N 45% 30⁰ 3 S 4 X F1-800N R = 527-7N O = 72.9°
The magnitude and direction of the resultant of the given forces using Cartesian vector notation method are R = 942.6N at 246.9°.
What is the explanation for the above response?To solve this problem using Cartesian vector notation method, we need to find the x- and y-components of each force, add up the components separately, and then find the magnitude and direction of the resultant vector.
First, let's find the x- and y-components of each force:
F1 = 800N at 45°
Fx1 = F1 * cos(45°) = 800N * cos(45°) = 565.7N
Fy1 = F1 * sin(45°) = 800N * sin(45°) = 565.7N
F2 = 600N at 30°
Fx2 = F2 * cos(30°) = 600N * cos(30°) = 519.6N
Fy2 = F2 * sin(30°) = 600N * sin(30°) = 300N
F3 = 700N at 180° (horizontal direction)
Fx3 = F3 = -700N
Fy3 = 0N
Next, let's add up the x- and y-components of the three forces:
Rx = Fx1 + Fx2 + Fx3 = 565.7N + 519.6N - 700N = 385.3N
Ry = Fy1 + Fy2 + Fy3 = 565.7N + 300N + 0N = 865.7N
The magnitude of the resultant vector R is:
|R| = sqrt(Rx^2 + Ry^2) = sqrt(385.3N^2 + 865.7N^2) = 942.6N
The direction of the resultant vector R is:
theta = arctan(Ry/Rx) = arctan(865.7N/385.3N) = 66.9°
However, we need to adjust the angle by adding 180° because the vector points into the third quadrant:
theta = 66.9° + 180° = 246.9°
Therefore, the magnitude and direction of the resultant of the given forces using Cartesian vector notation method are R = 942.6N at 246.9°.
Learn more about magnitude at:
https://brainly.com/question/15681399
#SPJ1
What is the hardest part of engineering?
ANSWER:
Aerospace Engineering. ...
Chemical Engineering. ...
Biomedical Engineering.
EXPLANATION:
This is all i know but ... I hope this helps~
You can use this to listen to light from the big bang.
A. a microwave
C.
B. a cell phone
C. a radio
D. a tv
11) A car manufacturer needs an alarm sound for certain undesirable conditions for the new car. The alarm should be activated when any of the following conditions is met: a) The headlights are on while ignition is off. b) The door is opened while the ignition is off. c) The seat belt is not used when the ignition is on. By using suitable logic gates, design the logic circuit of the alarm system showing all necessary steps. The input variables are as follows: Inputs S D I L Seat belt in use (Input S = 1) All doors are shut (Input D= = 0) Ignition is off (Input I = 1) Headlights are off (Input L = 0) Condition
how to draw logic gates, coding ,kmap and truth table
The fundamental components of any digital system are logic gates. It is an electronic circuit with one or more inputs and just one output.
What is logic gates ?In any digital system, logic gates serve as the fundamental building elements. One or more inputs may be present, but there is only one output in this electronic circuit. An established logic governs the relationship between the input and the output. This is the basis behind the names AND, OR, NOT, etc. given to logic gates.
Using cables that stand for 1s and 0s, we transmit data through computers. In order for computers to someday perform more difficult tasks like computing the 50th digit of, they need to be able to manipulate those 1s and 0s. Input wire 1s and 0s are converted via logic gates in computers.
A K-map is a particular type of truth table that facilitates the mapping of parameter values and leads to a shortened Boolean expression. Functions with two to four variables are ideal candidates for K-maps.
To learn more about K-map refer to:
https://brainly.com/question/15077666
#SPJ1
Employees cannot be held legally responsible for an environmental violation.
Answer:
It does not take into consideration what the responsible party knew about the law or regulation they violated. Environmental criminal liability is triggered through some level of intent.
In regards to whether an employee can be held legally liable for environmental violations, this statement is False.
Environmental ViolationsThese are offences against existing environmental laws. Apply to those who commit it and those who willfully ignored the crime.This means that if an employee notices that a company is responsible for environmental violations, and does nothing about it, they could be held legally responsible for the violation as well.
In conclusion, this is true.
Find out more on environmental violations at https://brainly.com/question/15119899.
code lab write a floating point literal corresponding to the value of the first 6 digits of pi
__ strength is a measure of the maximum stress that a material can resist under tensile stress
Tensile strength is a measure of the maximum stress that a material can resist under tensile stress.
The strength of a material is a measure of its ability to withstand external forces without breaking or deforming. It is usually expressed as the maximum stress that a material can withstand before it fails. In the case of tensile strength, this refers to the maximum stress that a material can resist under tension, which is when a force is applied to pull it apart.
Tensile strength is an important property to consider when selecting materials for engineering applications. The tensile strength of a material can be determined through a variety of tests, including the tensile test, where a sample of the material is subjected to tension until it breaks.
know more about Tensile strength here:
https://brainly.com/question/25748369
#SPJ11
Question 17 of 20:
Select the best answer for the question.
17. Which of the following accurately describes circuits?
A. In a series circuit, the amount of current passing through each part of the circuit may vary.
O B. In a series circuit, the current can flow through only one path from start to finish.
C. In a parallel circuit, the same amount of current flows through each part of the circuit.
OD. In a parallel circuit, there's only one path for the current to travel.
O Mark for review (Will be highlighted on the review page)
<< Previous Question
Next Question >>
The option that accurately describes circuits is this: B. In a series circuit, the current can flow through only one path from start to finish.
What describes circuits?The option that best describes circuits is that in a series circuit the flow of current moves from one point to another. The current simply flows on a single line and there are no diversions.
Also, the addition of the resistors in a series circuit will yield the total resistance present in the circuit. So, of all the options listed about circuits, option B is the most accurate.
Learn more about circuits here:
https://brainly.com/question/2969220
#SPJ1
Which of the following are main responsibilites employers have
under OSHA's standards?
The key responsibilities include:
1. Providing a Safe Workplace: Employers must maintain a workplace free from recognized hazards that could cause harm or injury to employees.
2. Compliance with OSHA Standards: Employers are responsible for complying with OSHA's standards applicable to their industry.
3. Employee Training: Employers must provide comprehensive training to employees on workplace hazards, proper use of equipment and machinery, emergency procedures, and relevant OSHA standards.
4. Recordkeeping and Reporting: Employers are required to maintain accurate records of work-related injuries, illnesses, and fatalities.
5. Hazard Communication: Employers must establish and maintain an effective hazard communication program, which includes providing Safety Data Sheets (SDSs) for hazardous chemicals, labeling containers appropriately, and training employees on chemical hazards and safe handling practices.
Under OSHA's standards (Occupational Safety and Health Administration), employers have several main responsibilities to ensure a safe and healthy work environment for their employees. The key responsibilities include:
1. Providing a Safe Workplace: Employers must maintain a workplace free from recognized hazards that could cause harm or injury to employees. This includes addressing physical, chemical, biological, and ergonomic hazards.
2. Compliance with OSHA Standards: Employers are responsible for complying with OSHA's standards applicable to their industry. This involves understanding and implementing specific regulations, such as hazard communication, respiratory protection, machine guarding, and fall protection.
3. Employee Training: Employers must provide comprehensive training to employees on workplace hazards, proper use of equipment and machinery, emergency procedures, and relevant OSHA standards. Training should be tailored to specific job roles and regularly updated.
4. Recordkeeping and Reporting: Employers are required to maintain accurate records of work-related injuries, illnesses, and fatalities. They must also report severe injuries or fatalities to OSHA within specified timeframes.
5. Hazard Communication: Employers must establish and maintain an effective hazard communication program, which includes providing Safety Data Sheets (SDSs) for hazardous chemicals, labeling containers appropriately, and training employees on chemical hazards and safe handling practices.
6. Inspections and Corrective Actions: Employers should conduct regular inspections to identify workplace hazards and take prompt corrective actions to eliminate or control them. This includes addressing equipment maintenance, implementing engineering controls, and providing personal protective equipment (PPE) where necessary.
7. Non-Retaliation: Employers are prohibited from retaliating against employees who exercise their rights under OSHA or report safety concerns or violations.
It is important for employers to be aware of these responsibilities and actively implement measures to fulfill them. By doing so, they can create a safe and healthy work environment, prevent accidents and injuries, and ensure compliance with OSHA standards.
For more such questions on Training, click on:
https://brainly.com/question/28390836
#SPJ11
Which of the following power tools has a revolving vertical shaft and a cutter? *
1 point
a) saber saw
b) router
c) miter saw
d) circular saw
The tool that has a revolving vertical shaft and a cutter is a router. The correct option is b.
What are power tools?There are many different kinds of power tools, including portable power tools like a circular saw, heat guns, and wall chasers as well as electrical power tools like impact wrenches, lathes, power drills, power ratchet sets, and power saws.
Power tools including circular saws, jigsaws, drills, hammer drills, sanders, grinders, routers, and many others reduce labor and time requirements. The requirement for knowledge of the risks that power tools provide if used improperly is raised due to their rising use.
A power tool called a router has a flat base and a spinning blade that protrudes beyond the base. An electric motor or a pneumatic motor can drive the spindle.
Therefore, the correct option is b) router.
To learn more about power tools, refer to the link:
https://brainly.com/question/30115428
#SPJ6
A pequin walks 10 feet in six second how far does the pequin wals in 45 seconds
Answer:
7.5 feet
Explanation:
45 divided by 6 is 7.5
Answer:
7.5 feet
Explanation:
45 divided by 6 is 7.5
Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop. True or False?
Answer:
Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop.
True
Explanation:
It has been established that most technicians, instead of overhauling the defective power steering pumps, prefer to install rebuilt or revamped pumps or even new pumps when they could have overhauled the unit themselves. Some are afraid that leakage could occur again. They are not confident enough to do the overhauling in-house or some claim that they do not have the time and other tools to carry out the overhauling. Acknowledgedly, overhauling a power steering pump is not a job for the novice. They require experienced and skilled hands to do the hard work.
why do we seldom install udnergrounf cabl (instaed of aerial transmission lines) between generating stations and distant load centers?
The reason why we we seldom install Underground cables (instead of aerial transmission lines) between generating stations and distant load centers is cost.
Why undergrounds cable is disadvantageous
Underground cables are more expensive to install than aerial transmission lines which is one of the main reasons why they are not commonly used for long distance power transmission between generating stations and distant load centers.
In addition to their higher installation costs underground cables also have higher maintenance costs than overhead transmission lines.
Learn more about Underground cables at
https://brainly.com/question/30824618
#SPJ1
What type of engineer makes sure equipment is safe and operational
Answer:
mechanical engineer is the best answer
A large rock became visible to a driver at a distance of 175 ft. Assuming a perception-reaction time of 0. 8 s, an initial speed of 42 mi/h, a coefficient of friction of 0. 5, and a level roadway, calculate the speed at impact
Answer:
Assuming a perception-reaction time of 0.8 s, an initial speed of 42 mi/h, a coefficient of friction of 0.5, and a level roadway, calculate the speed at impact.
Explanation:
Imagine that you are given a large budget and a team of competent sysadmins/devops engineers. Your boss has requested that you develop a plan to deploy the company's latest web application in their on-site datacenter. You have the freedom to recommend servers, extra components (RAM, HDDs, SSDs, network cards, etc), and additional hardware purchases as needed. The primary goal is to design the overall system so that it can provide high levels of uptime even in the presence of minor maintenance (OS reboots, HDD hot-swaps) or major issues (motherboard failures, network card failure, power outages). Write a ½ page report (12pt font, double spaced, 1" margins) that provides your recommendations for creating a robust deployment which can attempt to mitigate the various failures that were mentioned. It's perfectly fine to discuss software architecture choices along with your suggested hardware design considerations.
One can write the report under the title Deploying a Robust Web Application in an On-Site Datacenter by Design.
This report's recommendations for deploying the most recent web application of the business in the local datacenter are intended to guarantee high levels of uptime and reduce potential failures.
We can create a strong system that can resist both routine maintenance and significant problems while sustaining uninterrupted service if we have a sizable budget and a skilled staff of sysadmins and devops engineers.
We can develop a reliable deployment for the company's web application in the on-site datacenter by putting the suggested hardware and software design considerations into practise.
Thus, hardware failures will be less damaging because to redundant servers, RAID storage, network redundancy, and power backup systems.
For more details regarding report, visit:
https://brainly.com/question/32669610
#SPJ4
two technicians are discussing fuse testing. technician a says that a test light should light on both test points of the fuse if it is okay. technician b says the fuse is defective if a test light only lights on one side of the fuse. which technician is correct?
Technician B is correct.A fuse is a component of an electrical circuit that acts as a safety mechanism in the event of an overload or a short circuit. A circuit overload happens when too much current passes through the circuit, causing the wires to heat up and potentially causing a fire.
A short circuit happens when a live wire comes into contact with a neutral wire or the earth, resulting in a large flow of current.A fuse is a small component that is inserted into an electrical circuit to protect it from short circuits and overloads. When a fuse is exposed to a large flow of current, it heats up and melts, preventing the current from flowing any further. When this occurs, the fuse is said to have blown.The two technicians are discussing fuse testing. Technician A believes that if the fuse is okay, a test light should illuminate on both test points of the fuse. Technician B believes that if a test light only illuminates on one side of the fuse, the fuse is defective. Technician B is correct.A test light can be used to check if a fuse is blown or not. When a test light is placed on the test points of a fuse, if the fuse is good, the light will illuminate on both sides. If only one side of the fuse illuminates, it means that the fuse has blown and needs to be replaced. Hence, technician B is correct.
for more such question on fuse
https://brainly.com/question/20877754
#SPJ11
(a) The director of graduate studies at a college of business wants to predict the success of students in an MBA program using two independent variables, undergraduate grade point average (GPA) and GMAT score. A random sample of 30 students (stored in ) indicates that 20 successfully completed the program (coded as 1) and 10 did not (coded as (). Discuss the importance of logistic regression model to predict the probability of successful completion of the MBA program based on undergraduate grade point average and GMAT score.
Logistic regression is important in predicting the probability of successful completion of an MBA program based on undergraduate GPA and GMAT score.
How does logistic regression help in predicting the probability of success in an MBA program?Logistic regression is a valuable statistical technique for predicting the probability of an event occurring when the outcome is binary, such as in this case where we want to determine the likelihood of successful completion of an MBA program. By using undergraduate GPA and GMAT score as independent variables, logistic regression can help us assess the impact of these factors on the probability of success.
The logistic regression model estimates the relationship between the predictors (GPA and GMAT score) and the binary outcome (successful completion or not) by fitting a logistic function to the data. It calculates the odds of success based on the values of the predictors and transforms these odds into probabilities.
In this scenario, the director of graduate studies can use logistic regression to understand how undergraduate GPA and GMAT score contribute to the probability of a student successfully completing the MBA program. By analyzing the model's coefficients, they can identify which variable has a stronger influence on the outcome and make informed decisions regarding admissions and program support.
Learn more about Logistic regression
brainly.com/question/32505018
#SPJ11
register the countchars event handler to handle blur changes for the input tag. note: the function counts the number of characters in the input.
Use the LEN function, which counts letters, digits, characters, and all spaces, to count the characters in a cell.
How do you calculate the character count?By choosing the "Review" tab and clicking "Word Count," you may determine the number of characters in a Word document. Both the total character count including spaces and the total character count excluding spaces are available.
What is counted by the count () function?The COUNT function counts the number of arguments in the list as well as the number of cells that contain numbers. To determine how many entries there are in a number field that is a part of a range or array of numbers, use the COUNT function.
To know more about register visit:-
https://brainly.com/question/24188927
#SPJ4
which of these is a term for a person who does not share the belief of the dominant religion of a society ?
A. a heathen
B. Assimilated
C. Uncivilized
D. A savage
Answer: a heathen
Explanation:
The term for a person who does not share the belief of the dominant religion of a society is "a heathen". The correct option is A.
What is society?A society is a group of people who interact with one another on a regular basis, or a large social group that shares the same spatial or social territory and is typically subject to the same political authority and dominant cultural expectations.
"A heathen" is a person who does not share the beliefs of a society's dominant religion.
The term is frequently used to describe someone who is considered uncivilized or primitive because of their religious beliefs, especially in societies where the dominant religion wields significant power and influence.
However, it is important to note that the term can be considered derogatory and offensive, and it is generally more respectful to refer to people of different religious beliefs using neutral or positive terms.
Thus, the correct option is A.
For more details regarding society, visit:
https://brainly.com/question/12006768
#SPJ7
how much horsepower does 2023 sentra’s 2.0-liter dohc 16-valve 4-cylinder engine produce?A) 149 hpB) 115 hpC) 150 hp
A 2.0-liter Direct Injection GasolineTM (DIG) DOHC 16-valve 4-cylinder engine with an excellent 29 City/39 Highway MPG and 149 horsepower is standard on the 2019 Nissan Sentra.
The 2022 Nissan Sentra's 0-60 mph time is 9.2 seconds, while the model from the previous year's year clocks in at 8.3 seconds. No matter which model you select from the three very powerful trims available for the 2021 iteration, high-speed capabilities are guaranteed. At every stage of the creation of the Nissan GT-R, Nissan defied tradition. The Nissan GT-ideal-sized, R's twin-turbocharged 3.8-liter V6 engine generates a staggering 565 horsepower and an equally astounding 467 lb-ft of torque instead of a big, heavy, fuel-hungry engine.
Learn more about cylinder here:
https://brainly.com/question/14250623
#SPJ4
Repetitive movements at work can lead to injuries. True or False
Answer:
true
Explanation:
g oogle told me
A major tennis manufacturer is undertaking a test program for shoes, tennis balls, and tennis strings. Develop a test plan for the situations described below. In each case provide details for how the test should be conducted, and describe expected difficulties in interpreting the results. In each case the tests are to be conducted during college tennis matches. Four teams of six players each are to test the products under match (as opposed to practice) conditions. A tennis team consists of six players, and a match consists of six singles matches and three doubles matches.
a. Tennis shoes: Two different sole designs and materials are to be wear tested. The life of the soles are known to be strongly affected by court surface and playing style.
b. Tennis strings: A new tennis string material is to be tested for durability. String failure occurs due to breakage or due to loss of tension. String life is a function of the racquet, the player's style, and string tension.
c. Tennis balls: Two tennis balls are to be play tested for durability. The condition of a tennis ball can be described by the coefficient of restitution, and the total weight (since the cover material actually is lost during play). A player's style and the court surface are the primary determining factors on tennis ball wear.
Answer:
4 balls
Explanation:
First, we find out how many tennis balls are there altogether.
There are 8 cans and each can has 3 tennis balls.
Total numberThese balls are shared with 6 players. So we divide the total quantity by 6 to find out how many tennis balls each player gets.
Each player = 24 ÷ 6 = 4
of balls = 8 x 3 = 24
Determine the period of each of the following discrete-time signals (if a signal is not periodic, denote its period by infinity)
a) cos(2pi0.15n)
b) cos(2n);
c) cos(pi0.3n) + cos(pi0.4n).
Answer:
a) it is periodic
N = (20/3)k = 20 { for K =3}
b) it is Non-Periodic.
N = ∞
c) x(n) is periodic
N = LCM ( 5, 20 )
Explanation:
We know that In Discrete time system, complex exponentials and sinusoidal signals are periodic only when ( 2π/w₀) ratio is a rational number.
then the period of the signal is given as
N = ( 2π/w₀)K
k is least integer for which N is also integer
Now, if x(n) = x1(n) + x2(n) and if x1(n) and x2(n) are periodic then x(n) will also be periodic; given N = LCM of N1 and N2
now
a) cos(2π(0.15)n)
w₀ = 2π(0.15)
Now, 2π/w₀ = 2π/2π(0.15) = 1/(0.15) = 1×20 / ( 0.15×20) = 20/3
so, it is periodic
N = (20/3)k = 20 { for K =3}
b) cos(2n);
w₀ = 2
Now, 2π/w₀ = 2π/2) = π
so, it is Non-Periodic.
N = ∞
c) cos(π0.3n) + cos(π0.4n)
x(n) = x1(n) + x2(n)
x1(n) = cos(π0.3n)
x2(n) = cos(π0.4n)
so
w₀ = π0.3
2π/w₀ = 2π/π0.3 = 2/0.3 = ( 2×10)/(0.3×10) = 20/3
∴ N1 = 20
AND
w₀ = π0.4
2π/w₀ = 2π/π0. = 2/0.4 = ( 2×10)/(0.4×10) = 20/4 = 5
∴ N² = 5
so, x(n) is periodic
N = LCM ( 5, 20 )
rated load capacities, recommend operating speeds, and special hazard
Rated load capacities, recommended operating speeds and special hazards or instructions may be posted On all equipment.
What is rated load capacity?It is a term that connote that a machine's rated capacity is said to be at its peak or maximum weight and it is one that can be used to lift in the weakest possible configuration.
Therefore, Rated load capacities, recommended operating speeds and special hazards or instructions may be posted On all equipment
Learn more about operating speeds from
https://brainly.com/question/4931057
#SPJ1
See full question below
Rated load capacities, recommended operating speeds and special hazards or instructions may be posted
Minitab: Suppose you own two pottery stores in your city. You want to find the number of two particular vase colors (color) sold in both stores (location) each week (for each week). You are not interested in the sum total. Which bar graph should you select to compare the data between both stores?
Select an answer:
Stacked Bar Chart
Cluster Bar Chart
Simple Bar Chart
Boxplot Chart
Where you own two pottery stores in your city and you want to find the number of two particular vase colors (color) sold in both stores (location) each week (for each week). If are not interested in the sum total, note that the bar graph you should select to compare the data between both stores is: the "Stacked Bar Chart" (Option A)
What is the advantage of the Stacked Bar Chart?When comparing data points, a stacked bar chart is generally simpler to notice the comparison than a combined chart.
When data points are stacked on top of each other, it is easier to discern the percentage of each data point relative to the total value.
Learn more about Stacked Bar Chart:
https://brainly.com/question/28903290
#SPJ1
Two technicians are discussing what it means when you do a scratch cut and get a cut that does not go completely around the circumference. Technician A says that it may represent drum runout. Technician B says that it may represent incorrect mounting on the lathe. Who is right
It is essential to consider both drum runout and mounting issues as potential causes and inspect and rectify them accordingly to ensure accurate and complete cutting during the machining process.
Both Technician A and Technician B could be partially correct.
Technician A is correct in suggesting that a scratch cut that does not go completely around the circumference may indicate drum runout. Drum runout refers to the condition where the surface of the drum is not perfectly round, causing uneven contact between the brake lining and the drum. When performing a scratch cut, if the cutting tool fails to make a complete cut around the drum, it suggests that the drum surface is not uniformly cylindrical, possibly due to drum runout.
Technician B is also correct in stating that incorrect mounting on the lathe can result in a scratch cut that does not go completely around the circumference. If the drum is not mounted securely or centered properly on the lathe, it can lead to an uneven cut. Improper mounting can cause misalignment between the cutting tool and the drum, resulting in an incomplete cut.
Learn more about potential here
https://brainly.com/question/28300184
#SPJ11