Figure 2-16 gives the velocity of a particle moving on an x axis. What are (a) the initial and (b) the final directions of travel? (c) Does the particle stop momentarily? (d) Is the acceleration positive or negative? (e) Is it constant or varying? Figure 2-16 Question 1.

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Answer 1

Textbook Question

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Chapter 2, Problem 1Q

Figure 2-16 gives the velocity of a particle moving on an x axis. What are (a) the initial and (b) the final directions of travel? (c) Does the particle stop momentarily? (d) Is the acceleration positive or negative? (e) Is it constant or varying?

Chapter 2, Problem 1Q, Figure 2-16 gives the velocity of a particle moving on an x axis. What are a the initial and b the

Figure 2-16 Question 1.

Expert Solution & Answer

To determine

To find:

a) Initial direction of travel.

b) Final direction of travel.

c) Does the particle stop momentarily?

d) Is the acceleration positive or negative?

e) Is the acceleration constant or varying?

Answer to Problem 1Q

Solution:

a) Initial direction of travel is negative.

b) Final direction of travel is positive.

c) The particle stops momentarily.

d) The acceleration is positive.

e) The acceleration is constant.

Explanation of Solution

1) Concept:

After reading the graph, we can say that the Initial direction of travel is negative. As compared to that final direction of travel is positive.

As for an instance the velocity of the particle is zero, it indicates that the particle stops momentarily.

From the graph, we can say that the acceleration is positive and constant as the graph is a straight line and ascending in positive direction.

2) Given:

Graph in Fig 2.16.

3) Calculations:

a) When we look at the graph, it is starting below the x-axis, which states that the initial direction of travel would be negative.

b) When we look at the graph, it is ending above the x-axis, which states that the final direction of travel would be positive.

c) When we say it stops momentarily, it means the velocity of the particle is zero for a moment. When we look at the graph, the velocity is zero for one point, so we can say that the particle stops momentarily.

d) Now as the graph is moving from negative velocity to positive velocity, it means the velocity is increasing. From the above statement, we can say that the acceleration is positive.

e) As the graph is a straight line, the acceleration is constant.

Conclusion:

We have been given the graph of velocity vs time. From this graph, we can find the acceleration of the object by finding the slope of the graph. Looking at the nature of the graph, we can also conclude the direction of the acceleration and velocity at any given point.

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Suppose there are two transformers between your house and the high-voltage transmission line that distributes the power. In addition, assume your house is the only one using electric power. At a substation the primary of a step-down transformer (turns ratio = 1:23) receives the voltage from the high-voltage transmission line. Because of your usage, a current of 51.1 mA exists in the primary of the transformer. The secondary is connected to the primary of another step-down transformer (turns ratio = 1:36) somewhere near your house, perhaps up on a telephone pole. The secondary of this transformer delivers a 240-V emf to your house. How much power is your house using? Remember that the current and voltage given in this problem are rms values.

Answer 2

Textbook Question

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Chapter 2, Problem 1Q

Figure 2-16 gives the velocity of a particle moving on an x axis. What are (a) the initial and (b) the final directions of travel? (c) Does the particle stop momentarily? (d) Is the acceleration positive or negative? (e) Is it constant or varying?

Chapter 2, Problem 1Q, Figure 2-16 gives the velocity of a particle moving on an x axis. What are a the initial and b the

Figure 2-16 Question 1.

Expert Solution & Answer

To determine

To find:

a) Initial direction of travel.

b) Final direction of travel.

c) Does the particle stop momentarily?

d) Is the acceleration positive or negative?

e) Is the acceleration constant or varying?

Answer to Problem 1Q

Solution:

a) Initial direction of travel is negative.

b) Final direction of travel is positive.

c) The particle stops momentarily.

d) The acceleration is positive.

e) The acceleration is constant.

Explanation of Solution

1) Concept:

After reading the graph, we can say that the Initial direction of travel is negative. As compared to that final direction of travel is positive.

As for an instance the velocity of the particle is zero, it indicates that the particle stops momentarily.

From the graph, we can say that the acceleration is positive and constant as the graph is a straight line and ascending in positive direction.

2) Given:

Graph in Fig 2.16.

3) Calculations:

a) When we look at the graph, it is starting below the x-axis, which states that the initial direction of travel would be negative.

b) When we look at the graph, it is ending above the x-axis, which states that the final direction of travel would be positive.

c) When we say it stops momentarily, it means the velocity of the particle is zero for a moment. When we look at the graph, the velocity is zero for one point, so we can say that the particle stops momentarily.

d) Now as the graph is moving from negative velocity to positive velocity, it means the velocity is increasing. From the above statement, we can say that the acceleration is positive.

e) As the graph is a straight line, the acceleration is constant.

Conclusion:

We have been given the graph of velocity vs time. From this graph, we can find the acceleration of the object by finding the slope of the graph. Looking at the nature of the graph, we can also conclude the direction of the acceleration and velocity at any given point.

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Answer 3

Textbook Question

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Chapter 2, Problem 1Q

Figure 2-16 gives the velocity of a particle moving on an x axis. What are (a) the initial and (b) the final directions of travel? (c) Does the particle stop momentarily? (d) Is the acceleration positive or negative? (e) Is it constant or varying?

Chapter 2, Problem 1Q, Figure 2-16 gives the velocity of a particle moving on an x axis. What are a the initial and b the

Figure 2-16 Question 1.

Expert Solution & Answer

To determine

To find:

a) Initial direction of travel.

b) Final direction of travel.

c) Does the particle stop momentarily?

d) Is the acceleration positive or negative?

e) Is the acceleration constant or varying?

Answer to Problem 1Q

Solution:

a) Initial direction of travel is negative.

b) Final direction of travel is positive.

c) The particle stops momentarily.

d) The acceleration is positive.

e) The acceleration is constant.

Explanation of Solution

1) Concept:

After reading the graph, we can say that the Initial direction of travel is negative. As compared to that final direction of travel is positive.

As for an instance the velocity of the particle is zero, it indicates that the particle stops momentarily.

From the graph, we can say that the acceleration is positive and constant as the graph is a straight line and ascending in positive direction.

2) Given:

Graph in Fig 2.16.

3) Calculations:

a) When we look at the graph, it is starting below the x-axis, which states that the initial direction of travel would be negative.

b) When we look at the graph, it is ending above the x-axis, which states that the final direction of travel would be positive.

c) When we say it stops momentarily, it means the velocity of the particle is zero for a moment. When we look at the graph, the velocity is zero for one point, so we can say that the particle stops momentarily.

d) Now as the graph is moving from negative velocity to positive velocity, it means the velocity is increasing. From the above statement, we can say that the acceleration is positive.

e) As the graph is a straight line, the acceleration is constant.

Conclusion:

We have been given the graph of velocity vs time. From this graph, we can find the acceleration of the object by finding the slope of the graph. Looking at the nature of the graph, we can also conclude the direction of the acceleration and velocity at any given point.

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Answer 4

Textbook Question

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Chapter 2, Problem 1Q

Figure 2-16 gives the velocity of a particle moving on an x axis. What are (a) the initial and (b) the final directions of travel? (c) Does the particle stop momentarily? (d) Is the acceleration positive or negative? (e) Is it constant or varying?

Chapter 2, Problem 1Q, Figure 2-16 gives the velocity of a particle moving on an x axis. What are a the initial and b the

Figure 2-16 Question 1.

Expert Solution & Answer

To determine

To find:

a) Initial direction of travel.

b) Final direction of travel.

c) Does the particle stop momentarily?

d) Is the acceleration positive or negative?

e) Is the acceleration constant or varying?

Answer to Problem 1Q

Solution:

a) Initial direction of travel is negative.

b) Final direction of travel is positive.

c) The particle stops momentarily.

d) The acceleration is positive.

e) The acceleration is constant.

Explanation of Solution

1) Concept:

After reading the graph, we can say that the Initial direction of travel is negative. As compared to that final direction of travel is positive.

As for an instance the velocity of the particle is zero, it indicates that the particle stops momentarily.

From the graph, we can say that the acceleration is positive and constant as the graph is a straight line and ascending in positive direction.

2) Given:

Graph in Fig 2.16.

3) Calculations:

a) When we look at the graph, it is starting below the x-axis, which states that the initial direction of travel would be negative.

b) When we look at the graph, it is ending above the x-axis, which states that the final direction of travel would be positive.

c) When we say it stops momentarily, it means the velocity of the particle is zero for a moment. When we look at the graph, the velocity is zero for one point, so we can say that the particle stops momentarily.

d) Now as the graph is moving from negative velocity to positive velocity, it means the velocity is increasing. From the above statement, we can say that the acceleration is positive.

e) As the graph is a straight line, the acceleration is constant.

Conclusion:

We have been given the graph of velocity vs time. From this graph, we can find the acceleration of the object by finding the slope of the graph. Looking at the nature of the graph, we can also conclude the direction of the acceleration and velocity at any given point.

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Answer 5

Textbook Question

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Answer 6

Textbook Question

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Answer 7

Expert Solution & Answer

To determine

To find:

a) Initial direction of travel.

b) Final direction of travel.

c) Does the particle stop momentarily?

d) Is the acceleration positive or negative?

e) Is the acceleration constant or varying?

Answer to Problem 1Q

Solution:

a) Initial direction of travel is negative.

b) Final direction of travel is positive.

c) The particle stops momentarily.

d) The acceleration is positive.

e) The acceleration is constant.

Explanation of Solution

1) Concept:

After reading the graph, we can say that the Initial direction of travel is negative. As compared to that final direction of travel is positive.

As for an instance the velocity of the particle is zero, it indicates that the particle stops momentarily.

From the graph, we can say that the acceleration is positive and constant as the graph is a straight line and ascending in positive direction.

2) Given:

Graph in Fig 2.16.

3) Calculations:

a) When we look at the graph, it is starting below the x-axis, which states that the initial direction of travel would be negative.

b) When we look at the graph, it is ending above the x-axis, which states that the final direction of travel would be positive.

c) When we say it stops momentarily, it means the velocity of the particle is zero for a moment. When we look at the graph, the velocity is zero for one point, so we can say that the particle stops momentarily.

d) Now as the graph is moving from negative velocity to positive velocity, it means the velocity is increasing. From the above statement, we can say that the acceleration is positive.

e) As the graph is a straight line, the acceleration is constant.

Conclusion:

We have been given the graph of velocity vs time. From this graph, we can find the acceleration of the object by finding the slope of the graph. Looking at the nature of the graph, we can also conclude the direction of the acceleration and velocity at any given point.

Answer 8

Expert Solution & Answer

To determine

To find:

a) Initial direction of travel.

b) Final direction of travel.

c) Does the particle stop momentarily?

d) Is the acceleration positive or negative?

e) Is the acceleration constant or varying?

Answer to Problem 1Q

Solution:

a) Initial direction of travel is negative.

b) Final direction of travel is positive.

c) The particle stops momentarily.

d) The acceleration is positive.

e) The acceleration is constant.

Explanation of Solution

1) Concept:

After reading the graph, we can say that the Initial direction of travel is negative. As compared to that final direction of travel is positive.

As for an instance the velocity of the particle is zero, it indicates that the particle stops momentarily.

From the graph, we can say that the acceleration is positive and constant as the graph is a straight line and ascending in positive direction.

2) Given:

Graph in Fig 2.16.

3) Calculations:

a) When we look at the graph, it is starting below the x-axis, which states that the initial direction of travel would be negative.

b) When we look at the graph, it is ending above the x-axis, which states that the final direction of travel would be positive.

c) When we say it stops momentarily, it means the velocity of the particle is zero for a moment. When we look at the graph, the velocity is zero for one point, so we can say that the particle stops momentarily.

d) Now as the graph is moving from negative velocity to positive velocity, it means the velocity is increasing. From the above statement, we can say that the acceleration is positive.

e) As the graph is a straight line, the acceleration is constant.

Conclusion:

We have been given the graph of velocity vs time. From this graph, we can find the acceleration of the object by finding the slope of the graph. Looking at the nature of the graph, we can also conclude the direction of the acceleration and velocity at any given point.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

To find:

a) Initial direction of travel.

b) Final direction of travel.

c) Does the particle stop momentarily?

d) Is the acceleration positive or negative?

e) Is the acceleration constant or varying?

Answer 12

Answer to Problem 1Q

Solution:

a) Initial direction of travel is negative.

b) Final direction of travel is positive.

c) The particle stops momentarily.

d) The acceleration is positive.

e) The acceleration is constant.

Answer 13

Explanation of Solution

1) Concept:

After reading the graph, we can say that the Initial direction of travel is negative. As compared to that final direction of travel is positive.

As for an instance the velocity of the particle is zero, it indicates that the particle stops momentarily.

From the graph, we can say that the acceleration is positive and constant as the graph is a straight line and ascending in positive direction.

2) Given:

Graph in Fig 2.16.

3) Calculations:

a) When we look at the graph, it is starting below the x-axis, which states that the initial direction of travel would be negative.

b) When we look at the graph, it is ending above the x-axis, which states that the final direction of travel would be positive.

c) When we say it stops momentarily, it means the velocity of the particle is zero for a moment. When we look at the graph, the velocity is zero for one point, so we can say that the particle stops momentarily.

d) Now as the graph is moving from negative velocity to positive velocity, it means the velocity is increasing. From the above statement, we can say that the acceleration is positive.

e) As the graph is a straight line, the acceleration is constant.

Conclusion:

We have been given the graph of velocity vs time. From this graph, we can find the acceleration of the object by finding the slope of the graph. Looking at the nature of the graph, we can also conclude the direction of the acceleration and velocity at any given point.