Which observer in Figure 38.1 sees the ball’s correct path? (a) the observer in the truck (b) the observer on the ground (c) both observers Figure 38.1 Two observers watch the path of a thrown ball and obtain different results.

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Answer 1

Textbook Question

Chapter 39, Problem 39.1QQ

Which observer in Figure 38.1 sees the ball’s correct path? (a) the observer in the truck (b) the observer on the ground (c) both observers

Chapter 39, Problem 39.1QQ, Which observer in Figure 38.1 sees the balls correct path? (a) the observer in the truck (b) the

Figure 38.1 Two observers watch the path of a thrown ball and obtain different results.

Expert Solution & Answer

To determine

The observer who sees the correct path.

Answer to Problem 39.1QQ

Option(c) both observers.

Explanation of Solution

The laws of mechanics are same for all inertial frames. The inertial frame of the observer in truck has the inertial frame that is at moving at the velocity of the truck and the relative motion with the ball is zero so the observer in the truck sees the path of the ball move in a vertical path.

The inertial frame of the observer on the ground has the inertial frame that is at stationary and the relative motion with the ball is moving at the velocity of the truck so the observer on the ground sees the path of the ball move as a parabola.

Both the observer sees the correct path due to the validity if Newton’s laws of motion but the inertial frames are different so they see different paths of the ball.

Conclusion:

Since, both the observer sees the correct path but the inertial frames are different so they see different paths of the ball. Thus, option (c) is correct.

As the inertial frame of observer on the ground is stationary and the inertial frame of observer on the truck is moving. Thus, option (a) is incorrect.

As the inertial frames of both the observers are same due to which the path of the ball observed is different which contradicts the fact that the path seen by observer on the ground is only correct. Thus, option (b) is incorrect.

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Make sure to draw a Free Body Diagram as well

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Answer 2

Textbook Question

Chapter 39, Problem 39.1QQ

Which observer in Figure 38.1 sees the ball’s correct path? (a) the observer in the truck (b) the observer on the ground (c) both observers

Chapter 39, Problem 39.1QQ, Which observer in Figure 38.1 sees the balls correct path? (a) the observer in the truck (b) the

Figure 38.1 Two observers watch the path of a thrown ball and obtain different results.

Expert Solution & Answer

To determine

The observer who sees the correct path.

Answer to Problem 39.1QQ

Option(c) both observers.

Explanation of Solution

The laws of mechanics are same for all inertial frames. The inertial frame of the observer in truck has the inertial frame that is at moving at the velocity of the truck and the relative motion with the ball is zero so the observer in the truck sees the path of the ball move in a vertical path.

The inertial frame of the observer on the ground has the inertial frame that is at stationary and the relative motion with the ball is moving at the velocity of the truck so the observer on the ground sees the path of the ball move as a parabola.

Both the observer sees the correct path due to the validity if Newton’s laws of motion but the inertial frames are different so they see different paths of the ball.

Conclusion:

Since, both the observer sees the correct path but the inertial frames are different so they see different paths of the ball. Thus, option (c) is correct.

As the inertial frame of observer on the ground is stationary and the inertial frame of observer on the truck is moving. Thus, option (a) is incorrect.

As the inertial frames of both the observers are same due to which the path of the ball observed is different which contradicts the fact that the path seen by observer on the ground is only correct. Thus, option (b) is incorrect.

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Answer 3

Textbook Question

Chapter 39, Problem 39.1QQ

Which observer in Figure 38.1 sees the ball’s correct path? (a) the observer in the truck (b) the observer on the ground (c) both observers

Chapter 39, Problem 39.1QQ, Which observer in Figure 38.1 sees the balls correct path? (a) the observer in the truck (b) the

Figure 38.1 Two observers watch the path of a thrown ball and obtain different results.

Expert Solution & Answer

To determine

The observer who sees the correct path.

Answer to Problem 39.1QQ

Option(c) both observers.

Explanation of Solution

The laws of mechanics are same for all inertial frames. The inertial frame of the observer in truck has the inertial frame that is at moving at the velocity of the truck and the relative motion with the ball is zero so the observer in the truck sees the path of the ball move in a vertical path.

The inertial frame of the observer on the ground has the inertial frame that is at stationary and the relative motion with the ball is moving at the velocity of the truck so the observer on the ground sees the path of the ball move as a parabola.

Both the observer sees the correct path due to the validity if Newton’s laws of motion but the inertial frames are different so they see different paths of the ball.

Conclusion:

Since, both the observer sees the correct path but the inertial frames are different so they see different paths of the ball. Thus, option (c) is correct.

As the inertial frame of observer on the ground is stationary and the inertial frame of observer on the truck is moving. Thus, option (a) is incorrect.

As the inertial frames of both the observers are same due to which the path of the ball observed is different which contradicts the fact that the path seen by observer on the ground is only correct. Thus, option (b) is incorrect.

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Answer 4

Textbook Question

Chapter 39, Problem 39.1QQ

Which observer in Figure 38.1 sees the ball’s correct path? (a) the observer in the truck (b) the observer on the ground (c) both observers

Chapter 39, Problem 39.1QQ, Which observer in Figure 38.1 sees the balls correct path? (a) the observer in the truck (b) the

Figure 38.1 Two observers watch the path of a thrown ball and obtain different results.

Expert Solution & Answer

To determine

The observer who sees the correct path.

Answer to Problem 39.1QQ

Option(c) both observers.

Explanation of Solution

The laws of mechanics are same for all inertial frames. The inertial frame of the observer in truck has the inertial frame that is at moving at the velocity of the truck and the relative motion with the ball is zero so the observer in the truck sees the path of the ball move in a vertical path.

The inertial frame of the observer on the ground has the inertial frame that is at stationary and the relative motion with the ball is moving at the velocity of the truck so the observer on the ground sees the path of the ball move as a parabola.

Both the observer sees the correct path due to the validity if Newton’s laws of motion but the inertial frames are different so they see different paths of the ball.

Conclusion:

Since, both the observer sees the correct path but the inertial frames are different so they see different paths of the ball. Thus, option (c) is correct.

As the inertial frame of observer on the ground is stationary and the inertial frame of observer on the truck is moving. Thus, option (a) is incorrect.

As the inertial frames of both the observers are same due to which the path of the ball observed is different which contradicts the fact that the path seen by observer on the ground is only correct. Thus, option (b) is incorrect.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

To determine

The observer who sees the correct path.

Answer to Problem 39.1QQ

Option(c) both observers.

Explanation of Solution

The laws of mechanics are same for all inertial frames. The inertial frame of the observer in truck has the inertial frame that is at moving at the velocity of the truck and the relative motion with the ball is zero so the observer in the truck sees the path of the ball move in a vertical path.

The inertial frame of the observer on the ground has the inertial frame that is at stationary and the relative motion with the ball is moving at the velocity of the truck so the observer on the ground sees the path of the ball move as a parabola.

Both the observer sees the correct path due to the validity if Newton’s laws of motion but the inertial frames are different so they see different paths of the ball.

Conclusion:

Since, both the observer sees the correct path but the inertial frames are different so they see different paths of the ball. Thus, option (c) is correct.

As the inertial frame of observer on the ground is stationary and the inertial frame of observer on the truck is moving. Thus, option (a) is incorrect.

As the inertial frames of both the observers are same due to which the path of the ball observed is different which contradicts the fact that the path seen by observer on the ground is only correct. Thus, option (b) is incorrect.

Answer 8

Expert Solution & Answer

To determine

The observer who sees the correct path.

Answer to Problem 39.1QQ

Option(c) both observers.

Explanation of Solution

The laws of mechanics are same for all inertial frames. The inertial frame of the observer in truck has the inertial frame that is at moving at the velocity of the truck and the relative motion with the ball is zero so the observer in the truck sees the path of the ball move in a vertical path.

The inertial frame of the observer on the ground has the inertial frame that is at stationary and the relative motion with the ball is moving at the velocity of the truck so the observer on the ground sees the path of the ball move as a parabola.

Both the observer sees the correct path due to the validity if Newton’s laws of motion but the inertial frames are different so they see different paths of the ball.

Conclusion:

Since, both the observer sees the correct path but the inertial frames are different so they see different paths of the ball. Thus, option (c) is correct.

As the inertial frame of observer on the ground is stationary and the inertial frame of observer on the truck is moving. Thus, option (a) is incorrect.

As the inertial frames of both the observers are same due to which the path of the ball observed is different which contradicts the fact that the path seen by observer on the ground is only correct. Thus, option (b) is incorrect.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

The observer who sees the correct path.

Answer 12

Answer to Problem 39.1QQ

Option(c) both observers.

Answer 13

Explanation of Solution

The laws of mechanics are same for all inertial frames. The inertial frame of the observer in truck has the inertial frame that is at moving at the velocity of the truck and the relative motion with the ball is zero so the observer in the truck sees the path of the ball move in a vertical path.

The inertial frame of the observer on the ground has the inertial frame that is at stationary and the relative motion with the ball is moving at the velocity of the truck so the observer on the ground sees the path of the ball move as a parabola.

Both the observer sees the correct path due to the validity if Newton’s laws of motion but the inertial frames are different so they see different paths of the ball.

Conclusion:

Since, both the observer sees the correct path but the inertial frames are different so they see different paths of the ball. Thus, option (c) is correct.

As the inertial frame of observer on the ground is stationary and the inertial frame of observer on the truck is moving. Thus, option (a) is incorrect.

As the inertial frames of both the observers are same due to which the path of the ball observed is different which contradicts the fact that the path seen by observer on the ground is only correct. Thus, option (b) is incorrect.

Answer 14

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Which observer in Figure 38.1 sees the ball’s correct path? (a) the observer in the truck (b) the observer on the ground (c) both observers Figure 38.1 Two observers watch the path of a thrown ball and obtain different results.

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Answer to Problem 39.1QQ

Explanation of Solution

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