If each of the three links of the mechanism has a weight of 20lb, determine the angle for equilibrium of the spring, which, due to the roller guide, always remains horizontal and is unstretched when angle=0 Using energy formulation find angle for equilibrium. The answer should be 0, 36.9

Answers

Answer 1

V= 2 1 k(asin()) 2 2Wasin()W(2a)sin() V= 2 ka 2 sin(), 2 4Wasin(), frac d d'theta, V= k a 2 sin(), 2 cos(), -4Wasin(), frac d d'theta =0 d d V=ka 2 sin()cos()4Wasin()=0 quad cos left(theta right) =0 quad quad quad quad quad quad theta =90deg cos()=0 =90 degrees equilibrium.

The contact angle at equilibrium is what?

When wettability balances, the contact angle is known as the equilibrium contact angle.

What requirements must be met for an object to be in equilibrium?

The first prerequisite for an object to be in equilibrium is for the net force acting on it to be zero. Any direction has zero net force if net force is zero.

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Related Questions

Hot batt bus powers what ignition components

Answers

The exact components that are powered by the hot battery bus may vary depending on the specific aircraft and its configuration.

We have,

The hot battery bus is an electrical circuit in an aircraft that is typically powered by the aircraft's battery or an auxiliary power unit (APU) and provides electrical power to critical aircraft systems, including certain ignition components.

Specifically, the hot battery bus may provide power to the primary ignition system, which is responsible for initiating combustion in the engine.

This includes components such as the ignition switch, magneto, spark plugs, and associated wiring and circuitry.

In addition to the primary ignition system, the hot battery bus may also power other critical aircraft systems, such as avionics, flight instruments, and emergency lighting.

Thus,

The exact components that are powered by the hot battery bus may vary depending on the specific aircraft and its configuration.

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a 24-tooth gear has agma standard full-depth involute teeth with diametral pitch of 5. calculate the pitch diameter, circular pitch, addendum, dedendum, tooth thickness, and clearance.

Answers

A 24-tooth gear has full-depth involute teeth that are agma standard and have a diametral pitch of 5. Its circular pitch is 0.618 inches, addendum is 0.8333 inches, dedendum is 0.10417 inches, and diametrical pitch is 12.

What is a gear?

A gear is a spinning, circular machine element with teeth that mesh with another toothed component to transmit torque. The teeth can be cut or inserted (called cogs in the case of a cogwheel or gearwheel). A gear's teeth prevent slippage, which is a benefit.

Diametrical pitch is what?

Therefore, the diameter of the gear's pitch circle determines the gear's diametrical pitch. Depending on the measuring system employed, it is equivalent to the number of gear teeth per inch or per centimetre of its diameter.

Briefing:

Tooth Number, N = 24  

Diametral pitch pd = 12

Pitch diameter, d = N/pd = 24/12 = 2 inches

Circular pitch, pc = π/pd  = 3.142/12 = 0.2618 inches

Addendum, a  = 1/pd = 1/12 =0.08333 inches

Dedendum, b = 1.25/pd = 0.10417 inches

Tooth thickness, t = 0.5pc = 0,5 * 0.2618  = 0.1309 inches

Clearance, c = 0.25/pd = 0.25/12 = 0.02083 inches

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Write GUI Math Game programme in Java. The programme should generate and display 2 random numbers via the GUI. The numbers generated are for addition (i.e., x+y; where x and y are the random numbers) The GUI should allow a user to enter their answer. It should evaluate whether the user's answer was correct on not, and then update "Correct" and "Wrong" accordingly.

Answers

GUI Math Game programme is a program that generates random math questions and allows the user to input their answer. It then checks the answer and provides feedback. The game continues until the user decides to quit.

Here's how you can write a GUI Math Game program in Java that generates and displays 2 random numbers via the GUI:

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.util.Random;

public class MathGame extends JFrame implements ActionListener{ JLabel lblNum1, lblNum2, lblSign, lblEquals, lblCorrect, lblWrong;

JTextField txtAnswer;

JButton btnSubmit, btnNew;

JPanel panel1, panel2, panel3;

int num1, num2, correct, wrong, answer;

char sign;

public MathGame(){ setTitle("Math Game");

setSize(500, 150);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setResizable(false); panel1 = new JPanel();

panel2 = new JPanel();

panel3 = new JPanel();

lblNum1 = new JLabel();

lblNum2 = new JLabel();

lblSign = new JLabel();

lblEquals = new JLabel();

lblCorrect = new JLabel("Correct: 0");

lblWrong = new JLabel("Wrong: 0");

txtAnswer = new JTextField(5);

btnSubmit = new JButton("Submit");

btnNew = new JButton("New");

panel1.add(lblNum1);

panel1.add(lblSign);

panel1.add(lblNum2);

panel1.add(lblEquals);

panel1.add(txtAnswer);

panel2.add(btnSubmit);

panel2.add(btnNew);

panel3.add(lblCorrect);

panel3.add(lblWrong);

add(panel1, BorderLayout.NORTH);

add(panel2, BorderLayout.CENTER);

add(panel3, BorderLayout.SOUTH);

setVisible(true);

num1 = generateRandomNumber();

num2 = generateRandomNumber();

sign = '+'; lblNum1.setText("" + num1);

lblNum2.setText("" + num2);

lblSign.setText("" + sign);

btnSubmit.addActionListener(this);

btnNew.addActionListener(this); }

public void actionPerformed(ActionEvent e){

if(e.getSource() == btnSubmit){ try{ answer = Integer.parseInt(txtAnswer.getText()); }

catch(NumberFormatException ex){ JOptionPane.showMessageDialog(null, "Please enter a valid number."); }

if(answer == (num1 + num2)){ JOptionPane.showMessageDialog(null, "Correct!"); correct++; lblCorrect.setText("Correct: " + correct); }

else{ JOptionPane.showMessageDialog(null, "Wrong!"); wrong++; lblWrong.setText("Wrong: " + wrong); } }

else if(e.getSource() == btnNew){ num1 = generateRandomNumber(); num2 = generateRandomNumber(); sign = '+'; lblNum1.setText("" + num1); lblNum2.setText("" + num2); lblSign.setText("" + sign); txtAnswer.setText(""); } }

private int generateRandomNumber(){ Random rand = new Random(); return rand.nextInt(10) + 1; }

public static void main(String[] args){ MathGame mg = new MathGame(); }}

The program generates 2 random numbers and displays them on the GUI. The user enters their answer in a text field. The program evaluates the answer and updates the "Correct" and "Wrong" labels accordingly. The "New" button generates new random numbers and clears the text field.

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The provided Java code implements a GUI Math Game program that generates two random numbers for addition and allows the user to enter their answer. It evaluates the correctness of the answer and updates the "Correct" and "Wrong" labels accordingly.

Here's an example code for a GUI Math Game program in Java that generates random numbers for addition and allows the user to enter their answer:

import javax.swing.*;

import java.awt.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

public class MathGame extends JFrame implements ActionListener {

   private JLabel numLabel1, numLabel2, resultLabel, feedbackLabel;

   private JTextField answerField;

   private JButton submitButton;

   public MathGame() {

       setTitle("Math Game");

       setSize(300, 200);

       setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

       // Create and set layout

       setLayout(new GridLayout(4, 2));

       // Create components

       numLabel1 = new JLabel();

       numLabel2 = new JLabel();

       resultLabel = new JLabel(" ");

       feedbackLabel = new JLabel(" ");

       answerField = new JTextField();

       submitButton = new JButton("Submit");

       // Add components to the frame

       add(new JLabel("Number 1:"));

       add(numLabel1);

       add(new JLabel("Number 2:"));

       add(numLabel2);

       add(new JLabel("Answer:"));

       add(answerField);

       add(new JLabel("Result:"));

       add(resultLabel);

       // Add ActionListener to the submit button

       submitButton.addActionListener(this);

       // Add feedback label

       add(feedbackLabel);

       // Generate random numbers and display

       generateNumbers();

       // Make the frame visible

       setVisible(true);

   }

   public void actionPerformed(ActionEvent e) {

       if (e.getSource() == submitButton) {

           // Get user's answer

           int userAnswer = Integer.parseInt(answerField.getText());

           // Get the correct answer

           int correctAnswer = Integer.parseInt(numLabel1.getText()) + Integer.parseInt(numLabel2.getText());

           // Check if the user's answer is correct

           if (userAnswer == correctAnswer) {

               resultLabel.setText("Correct");

               feedbackLabel.setText(" ");

           } else {

               resultLabel.setText("Wrong");

               feedbackLabel.setText("Try again!");

           }

           // Generate new numbers for the next question

           generateNumbers();

           // Clear the answer field

           answerField.setText("");

       }

   }

   public void generateNumbers() {

       // Generate random numbers

       int num1 = (int) (Math.random() * 10) + 1;

       int num2 = (int) (Math.random() * 10) + 1;

       // Display the numbers

       numLabel1.setText(Integer.toString(num1));

       numLabel2.setText(Integer.toString(num2));

   }

   public static void main(String[] args) {

       SwingUtilities.invokeLater(new Runnable() {

           public void run() {

               new MathGame();

           }

       });

   }

}

To run this program, create a new Java project, copy the code into a Java class file (e.g., MathGame.java), and execute the program. The GUI will be displayed with two random numbers for addition, and the user can enter their answer.

The program will evaluate the answer, update the "Correct" and "Wrong" labels accordingly, and generate new numbers for the next question.

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What two things must be included in your function definition?
•A function name and commands to be performed
o
•Function variables and commands to be performed
•Commands to be performed and function arguments
• A function name and function variables

Answers

Explanation:

commands to be and function arguments

The two (2) things that must be included in your function definition are: D. A function name and function variables.

What is a function?

A function can be defined as a set of statements that comprises executable codes and can be used in a software program to calculate a value or perform a specific task on a computer.

In Computer programming, there are two (2) things that must be included in a function definition and these include the following:

A function name.Function variables.

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The so-called Dual_EC_DRBG pseudorandom generator (PRG) operates in the following simplified manner in order to incrementally generate blocks of pseudorandom bits r1,r 2,… : - The PRG is initiated by randomly selecting two (2-dim) points P,Q in a given elliptic curve over a given prime field size p, so that for any integer t the points P t ,Q t are well-defined. - Starting from an initial random seed s 0 in order to generate the k-th pseudorandom block rk : - the PRG's internal secret state s k is updated to the x-coordinate of point P s k−1; and - the PRG's k-th output rk is the x-coordinate of point Qsk−1 , appropriately truncated to a smaller bit-string. Yet, if the points P,Q are known to be related in the form of Qe=P, or if the output truncation rate is more than 1/2, then this PRG is known to be insecure - that is, a brute-force type of attack is likely to reveal the PRG's internal state sk. The rest is history... Read about the Dual_EC_DRBG design, standardization, implementation, adoption and abandonment from its Wikipedia entry and Matt Green's blog entry, and answer the following questions. (1) Describe briefly the controversy related to Dual_EC_DRBG. To get full credit you must identify all main stakeholders (organizations or companies rather than individuals), their involvement in the events, and their possibly conflicted goals.

Answers

The controversy surrounding Dual_EC_DRBG involved concerns of a potential NSA backdoor, leading to abandonment and distrust in the generator.


The controversy surrounding Dual_EC_DRBG (Dual Elliptic Curve Deterministic Random Bit Generator) stems from concerns about its security and potential vulnerabilities. Here's a step-by-step explanation of the controversy and the main stakeholders involved:

1. Design and Standardization:

  - The National Institute of Standards and Technology (NIST), a U.S. government agency, initiated the development of Dual_EC_DRBG as a potential cryptographic standard.

  - Dual_EC_DRBG's design included the selection of specific elliptic curve points P and Q, chosen to provide cryptographic security.

2. NSA Involvement:

  - The controversy arose due to allegations that the National Security Agency (NSA), another U.S. government agency, influenced the design of Dual_EC_DRBG.

  - It was believed that the NSA might have inserted a backdoor into the generator, making it susceptible to exploitation.

3. Adoption and Concerns:

  - Dual_EC_DRBG was included as an option in various cryptographic products and protocols, leading to widespread adoption.

  - Concerns were raised by cryptographers and researchers regarding the security of Dual_EC_DRBG due to the potential backdoor.

4. RSA's Involvement:

  - RSA Security, a leading cybersecurity company, adopted Dual_EC_DRBG in their BSAFE toolkit as the default random number generator.

  - It was later revealed that RSA Security had received a $10 million payment from the NSA as part of an alleged secret deal.

5. Revelations and Abandonment:

  - In 2013, documents leaked by Edward Snowden indicated that the NSA had indeed inserted a backdoor into Dual_EC_DRBG.

  - This revelation led to a loss of trust in Dual_EC_DRBG, and it was subsequently abandoned by many organizations and companies.

  - NIST also withdrew its recommendation of Dual_EC_DRBG in light of the security concerns.

The main stakeholders involved in the controversy include NIST, the NSA, RSA Security, and the cryptographic community at large. NIST's involvement in standardizing Dual_EC_DRBG and the alleged NSA influence raised questions about the integrity of the cryptographic standards process. RSA Security's adoption of Dual_EC_DRBG and its financial ties with the NSA also drew criticism. Cryptographers and researchers played a crucial role in raising concerns about the security of Dual_EC_DRBG, leading to its abandonment and the subsequent reevaluation of cryptographic standards and processes.


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9. The highest voltage typically encountered on the job by a residential electrician is
volts.
A. 120
B. 600
C. 240
D. 480

Answers

Answer:

240

Explanation:

9. The highest voltage typically encountered on the job by a residential electrician isvolts.A. 120B.

The highest voltage typically encountered on the job by a residential electrician is C. 240 volts.

What is voltage?

Voltage is the measure of the difference in electrical power between two points in a circuit.

It is like the force that pushes electric charges in a circuit and is measured in volts (V) and affects how strong the electric current flows in a wire.

In many countries, the United States included, residential electrical systems often use a split-phase setup with a voltage of 120/240 volts.

This voltage is widely used for things like household appliances, lights, and other electrical needs in homes.

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Explain with examples:
What are the reasons of a successful and unsuccessful software project?

Answers

Answer: Not Enough Time

Often, the deadline date is decided before the project starts and is non-negotiable. This deadline results in a headlong rush to get started on the assumption, the sooner you begin coding, the sooner you'll finish.

A rush to start coding is almost always the wrong approach. It is important to spend the time to create a good design. Not having a good design leads to continuing changes throughout the development phase. When this happens, time and budget are consumed at a rapid rate.

Solution: Make time to create a good design. Don't be tempted to jump straight in and begin coding. Assign time to this task and the rest of the project will run much better. It will improve your reputation when you deliver something that fulfils the customers' expectations and works the first time correctly.

Explanation:

The reasons for a successful and unsuccessful software project is clear objectives and specifications and poor communication between the client and team respectively.

What is a software project?

A software project is an entire process of developing software, from gathering requirements to testing and maintenance, carried out in accordance with execution techniques over a predetermined amount of time to produce the desired software output.

Project success is the accomplishment of something wanted, planned, or attempted, while project failure is a "project that fails to execute a duty or. an expected action, non-occurrence, or non-performance." Success is also defined as an action that achieves its intended goal.

Therefore, clear objectives and requirements and inadequate customer and team communication are the causes of successful and failed software projects, respectively.

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Segments AB and CD of the assembly are solid circular rods, and segment BC is a tube. If the assembly is made of 6061-T6 aluminum, determine the displacement of end D with respect to end A. Take b = 455 mm and E = 68.9 GPa. Express your answer to three significant figures and include the appropriate units.

Answers

The displacement of end D with respect to end A is 6.04 micrometers, if assembly is made of 6061-T6 aluminum.

To calculate the displacement we can use the formula for the deformation of a bar under axial load:

δ = P L / (A E)

where delta is the deformation (displacement) of the bar,

P is the axial load applied to the bar,

L is the length of the bar,

A is the cross-sectional area of the bar, and

E is the modulus of elasticity of the material.

For segment AB, the axial load is given by:

P = F = (2/3) W = (2/3) (9.81 m/s²) (4 kg) = 26.16 N

The length and cross-sectional area of segment AB are:

L = b = 455 mm = 0.455 m

A = (pi/4) d² = (pi/4) (20 mm)² = 314.16 mm² = 0.00031416 m²

The modulus of elasticity of 6061-T6 aluminum is given as E = 68.9 GPa = 68.9 x 10⁹ Pa.

Therefore, the deformation of segment AB is:

δ_{AB} = P L / (A E)

= (26.16 N) (0.455 m) / (0.00031416 m²) (68.9 x 10⁹ Pa)

= 1.83 x 10⁻⁶ m = 1.83 micrometers.

For segment BC, we can assume that there is no deformation since it is a tube and is not subject to axial load.

For segment CD, the axial load is given by:

P = F = (1/3) W = (1/3) (9.81 m/s²) (4 kg) = 13.88 N

The length and cross-sectional area of segment CD are:

L = b = 455 mm = 0.455 m

A = (pi/4) d² = (pi/4) (30 mm)² = 706.86 mm² = 0.00070686 m²

Therefore, the deformation of segment CD is:

δ_{CD} = P L / (A E) = (13.88 N) (0.455 m) / (0.00070686 m²) (68.9 x 10⁹ Pa)

= 4.21 x 10⁻⁶ m = 4.21 micrometers.

To find the displacement of end D with respect to end A, we can sum up the deformations of segments AB and CD, since they are in series:

δ_{D} = δ_{AB} + δ_{CD}

= (1.83 + 4.21) x 10⁻⁶ m = 6.04 micrometers

Therefore, the displacement of end D with respect to end A is 6.04 micrometers.

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Two important criteria that should be evaluated to determine the maturity of a software product include:______.

Answers

Answer:

Configuration Management Process

Software functionality

Explanation:

Two important criteria that should be evaluated to determine the "maturity" of a software product include____

Which of the two following four options have been shown by research to be generally not as effective a method for studying which two methods are more likely to produce illusions of complete in learning

Answers

The answer choices that have been shown by research to be generally not as effective a method for studying and the methods that are more likely to produce illusions of competence in learning are:

rereadinghigmapping

What is Studying?

This refers to the act or process of reading material in order to gain new knowledge about a topic and to retain the information in long-term memory.

Hence, we can see that from the complete text, there are different options given and the results of research that showed that they are not very effective for studying and they are:

rereadinghigmapping


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Question 18 of 25
If you see an increase in traffic, step in and direct traffic to ensure safety. Is this a
safe or unsafe practice?
Select the best option.
O
Safe
Unsafe

Answers

We are required to explain if it is safe or unsafe to see an increase in traffic, step in and direct traffic to ensure safety.

Increase in traffic is the high influx of vehicles on the road. This means the number of vehicles using the road at a particular time is much. Traffic causes slow movement of vehicles and lack of patient of drivers could lead to accident.

It is safe to direct traffic when there is an increase in traffic if you are a professional traffic worker. Meanwhile, it is very unsafe for a person who is not a professional traffic worker to direct traffic.

Therefore, it is encouraged for only traffic officials to direct traffic.

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Answer:

Unsafe

Explanation:

The primary characteristic of oil that affects a service technician is its_________________.

Volatility
Lubricity
Brand
Viscosity

Answers

Answer:

ABCD

Explanation:

what are the benefits of a career in transportation, distribution, and logistics (TDL)?

Answers

The benefits of a career in transportation, distribution, and logistics (TDL) are:

A sharpened understanding of movement planning.Insight on the best business routes.Improvement in timeliness.Knowledge of vehicle maintenance.

What is TDL?

TDL is an acronym for Transportation, distribution, and logistics. A person who builds a career around these will become better at planning and adhering to routines.

He will understand ways to keep vehicles in good order and there will also be a better understanding of business routes.

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determine the number of flipflops required to build a binary counter that count from 0 to 2043

Answers

Answer:

10 flip -flops are required to build a binary counter circuit to count to from 0 to 1023 .

Explanation:

A digital file contains the following binary sequence of 24 bits:
010000110110000101110100
Which of the following types of data might the above sequence represent?
answer choices
A 24-bit integer value (e.g., 4,153,716)
A 24-bit RGB color value (e.g., sage green)
Three ASCII characters (e.g., "Cat")
All of the above

Answers

The 24 bit binary sequence 010000110110000101110100 is makes up a digital file. The above sequence may represent all of the data mentioned above.

With 12 bits per pixel, how many colors are possible?

68,719,476,736 colors can be produced using 36 bits, or 12 bits each color channel. There are 48 bits per pixel if an alpha channel of the same size is added.

How many bits do a pixel have?

Images with 24 bits per pixel are also referred to as 24-bit images, true color images, or 16M color images. 24 bits, with 8 bits each for the RGB values of red, green, and blue (RGB), can roughly represent sixteen million different colors.

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The ignition coil is both a primary and secondary ignition component. T/F

Answers

This statement is True. The ignition coil has both a primary and secondary circuit. The primary circuit is where the battery voltage is supplied to the coil and the secondary circuit is where the high voltage is generated and sent to the spark plugs for ignition.

The ignition coil is both a primary and secondary ignition component. The ignition coil consists of two sets of windings - the primary windings and the secondary windings.

The primary windings receive a low voltage from the battery, while the secondary windings convert that low voltage into a high voltage to create the spark for ignition.

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In HTML, which attribute is used to specify that an input field must be filled out?A) requiredB) validateC) mandatoryD) input_required

Answers

In HTML, the attribute used to specify that an input field must be filled out is "required" (option A). This attribute ensures that the user must provide a value for the input field before submitting the form, promoting proper form completion and data validation.

If the required attribute is not satisfied, the form will not be submitted, and the user will receive a prompt to fill in the necessary information. The attribute used to specify that an input field must be filled out in HTML is the "required" attribute. This attribute is used in conjunction with the "input" tag to indicate that the user must fill out the specified field before submitting the form. When the user tries to submit the form without filling out the required field, an error message will appear prompting them to fill out the required field. The "validate" and "mandatory" attributes are not used in HTML to achieve this functionality. While the term "input_required" could potentially be used as a custom attribute, it is not a standard attribute in HTML. Therefore, the correct answer is A) required.

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IV. An annealed copper strip 9 inches wide and 2.2 inches thick, is rolled to its maximum possible draft in one pass. The following properties of annealed copper are given: strength coefficient is 90,000 psi; true strain at the onset of non-uniform deformation is 0.45; and, engineering strain at yield is 0.11. The coefficient of friction between strip and roll is 0.2. The roll radius is 14inches and the rolls rotate at 150 rpm. Calculate the roll-strip contact length. Calculate the absolute value of thetrue strain that the strip undergoes in this operation. Determine the average true stress of the strip in theroll gap. Calculate the roll force. Calculate the horsepower required.

Answers

Answer:

13.9357 horse power

Explanation:

Annealed copper

Given :

Width, b = 9 inches

Thickness, \($h_0=2.2$\) inches

K= 90,000 Psi

μ = 0.2, R = 14 inches, N = 150 rpm

For the maximum possible draft in one pass,

\($\Delta h = H_0-h_f=\mu^2R$\)

     \($=0.2^2 \times 14 = 0.56$\) inches

\($h_f = 2.2 - 0.56$\)

     = 1.64 inches

Roll strip contact length (L) = \($\sqrt{R(h_0-h_f)}$\)

                                             \($=\sqrt{14 \times 0.56}$\)

                                             = 2.8 inches

Absolute value of true strain, \($\epsilon_T$\)

\($\epsilon_T=\ln \left(\frac{2.2}{1.64}\right) = 0.2937$\)

Average true stress, \($\overline{\gamma}=\frac{K\sum_f}{1+n}= 31305.56$\) Psi

Roll force, \($L \times b \times \overline{\gamma} = 2.8 \times 9 \times 31305.56$\)

                                 = 788,900 lb

For SI units,

Power = \($\frac{2 \pi FLN}{60}$\)  

           \($=\frac{2 \pi 788900\times 2.8\times 150}{60\times 44.25\times 12}$\)

           = 10399.81168 W

Horse power = 13.9357

discuss 7 habits of highly effective people and how important are ethics in today's society​

Answers

Answer:

Explanation:

The 7 Habits of Highly Effective People, is a book written and first published in 1989. It is a business and self-help book that was written by Stephen Covey. The seven habits include

Being proactive

Starting anything with the end in mind

First things first

Always thinking towards a win-win situation

Seeking initially to understand, then going on to want to be understood

Synergize, and lastly

Growing

Which of the following describes braking from a brake chamber containing a power spring?


A spring released and air-applied parking brake


A spring applied and air-released parking brake


A spring released and air-applied service brake


A spring applied and air-released service brake

Answers

The one that describes braking from a brake chamber containing a power spring is a spring applied and air-released service brake. The correct option is D.

What is spring brake?

Spring brakes, unlike service brakes, are not air applied. They apply when air pressure is released from the brake chamber and release when air pressure is restored. Spring brakes and service brakes use different types of brake chambers.

The braking power of spring brakes is determined by how well the brakes are adjusted. If the brakes are not properly adjusted, neither the regular nor the emergency/parking brakes will function properly.

A spring applied and air-released service brake is the one that describes braking from a brake chamber containing a power spring.

Thus, the correct option is D.

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Which statements describe the motion of car A and car B? Check all that apply. Car A and car B are both moving toward the origin. Car A and car B are moving in opposite directions. Car A is moving faster than car B. Car A and car B started at the same location. Car A and car B are moving toward each other until they cross over.

Answers

Answer:

car a is moving faster than the car b

Answer:

B: Car A and car B are moving in opposite directions.

C: Car A is moving faster than car B.

E: Car A and car B are moving toward each other until they cross over.

Explanation:

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Which statements describe the motion of car A and car B? Check all that apply. Car A and car B are both

The denity of a certain type of jet fuel i 775 kg/m3. Determine it pecific gravity and pecific weight

Answers

The correct answer is Specific weight: w = [weight ÷ volume] = [9N ÷ 0.001m³] = 9000N/m³Density: w = [ × g] Where, g = acceleration due to gravity = 9.81m/sec². Specific gravity: G = [density of liquid ÷ density of water] As you know, The density of water = 1000kg/m³.

The density of a substance is divided by the density of water at 4 degrees Celsius to determine its specific gravity. The density of the substance and the density of the water must be represented in the same units for the calculation.distinguishes  While specific weight has dimensions, specific gravity is a dimensionless number. The gravitational field has no effect on a material's specific gravity, but it does have an effect on a material's specific weight. A substance's "Specific Gravity" is determined by dividing its mass by the mass of an equivalent volume of water at the same pressure and temperature.

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Remembering to lower or block bulldozer and scraper blades, end-loader buckets, dump
bodies, etc., when not in use, and leaving all controls in the neutral position. Would this be
considered protecting yourself or not protecting yourself?
Select the best option

Answers

Answer:

Protecting yourself.

Explanation:

you didn't include answer choices but from the text I would assume remembering to do these things would be actively protecting yourself.

The bar of a pry bar acts as a ________ to multiply the amount of force that can be applied.
Select one:
A. ratchet
B. lever
C. pivot
D. fulcrum

Answers

The bar of a pry bar acts as a lever to multiply the amount of force that can be applied.

A lever is a simple machine consisting of a rigid bar that can rotate around a fixed point called a fulcrum. The lever allows for the amplification of force by using a mechanical advantage.

In the case of a pry bar, the fulcrum is the point where the bar is positioned or supported. When force is applied to one end of the bar, known as the effort or input force, it creates a turning effect around the fulcrum. This turning effect generates a force on the other end of the bar, known as the load or output force, enabling the user to exert a greater force than what was initially applied.

The key principle behind the lever is that it allows the redistribution of force. By increasing the distance between the point of application of the input force and the fulcrum, a smaller input force can generate a larger output force. This principle is known as leverage.

The longer the bar of the pry bar, the greater the leverage and mechanical advantage. The mechanical advantage of a lever is calculated by dividing the distance from the fulcrum to the point of application of the input force (effort arm) by the distance from the fulcrum to the point of application of the output force (load arm). A larger mechanical advantage means that a smaller input force can produce a proportionally larger output force.

Thus, the correct option is "b".

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encryption methodologies that require the same secret key to encipher and decipher the message are using public-key encryption.

Answers

That statement is incorrect. Encryption methodologies that require the same secret key to encipher and decipher the message are using symmetric-key encryption.

Symmetric-key encryption, also known as secret-key encryption, uses the same key for both encryption and decryption. This key is kept secret between the sender and the recipient, which makes it more secure than public-key encryption in some cases. Examples of symmetric-key encryption algorithms include Advanced Encryption Standard (AES), Data Encryption Standard (DES), and Triple DES (3DES). Public-key encryption, on the other hand, uses two different keys - a public key for encryption and a private key for decryption. The public key can be shared with anyone, while the private key must be kept secret. This method is often used for secure communication over insecure channels like the internet. Examples of public-key encryption algorithms include RSA and Elliptic Curve Cryptography (ECC).

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true or false. the major objectives of erp systems are to tightly itegrate the functional areas of the organization and to enable information flow seamlessly across them

Answers

True. The major objectives of ERP systems are to tightly integrate the functional areas of the organization and to enable information to flow seamlessly across them.

Detailed answer:

ERP systems are designed to provide a centralized database and by integrating different functions such as finance, human resources, and supply chain management, ERP systems can help organizations streamline their operations, improve communication, and reduce costs.

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A conventional steering system has all of the following except

Answers

Which of the following is not a component of a steering system?

Tie rod

Which gas is released in the SMAW process causing a
shielding affect on the molten weld pool?

•nitrogen

•carbon dioxide

•argon

•hydrogen

Answers

Argon ( I’m not sure )

When a one piece parallel joint driveline arrangement with 2 universal joints is used which of its angles must be equal and opposite

Answers

If a one piece parallel joint driveline arrangement with 2 universal joints is used the  working angles of its two U- joints of its angles must be equal and opposite.

What is truck driveline?

The truck driveline is known to be a form of a a less-known and it is one that is known to be a vital aspect of the engine where or which is seen in heavy-duty diesel trucks.

Note that It's a system is made up of all the gears and axles needed to make sure that a truck can move more faster and efficiently.

Hence, If a one piece parallel joint driveline arrangement with 2 universal joints is used the  working angles of its two U- joints of its angles must be equal and opposite.

See full question below

When a one-piece, parallel-joint driveline arrangement with 2 universal joints is used,which of its angles must be equal and opposite?

A) working angles of its two U- joints

B) angles of both mating yokes

C) angle of the transmission output shaft and the axle pinion shaft

D) all of the above

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For welding the most important reason to use jigs and fixtures in a welding shop is to

Answers

Answer:

Reduce manufacturing costs.

Explanation:

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