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A person riding on the roof of a freight train throws a

Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt

Problem 3E Chapter 35

Conceptual Physics | 12th Edition

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Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt

Conceptual Physics | 12th Edition

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Problem 3E

A person riding on the roof of a freight train throws a ball forward. (a) Neglecting air drag and relative to the ground, is the ball moving faster or slower when the train is moving than when it is standing still? (b) Relative to the freight car, is the ball moving faster or slower when the train is moving than when the train is standing still?

Step-by-Step Solution:

Solution Step 1 of 3 In question 1, Here since the speeds are very less compared to speed of light, we can use normal velocity vector addition; The speed of the ball thrown forward from the top of train with respect to ground (neglecting air resistance) v ballground vtrainground vballtrain……….1 Where v ballgrounds the speed of ball relative to ground v is the speed of train relative to ground trainground v is the speed of ball relative to train balltrain Step 2 of (a) Neglecting air drag and relative to the ground, is the ball moving faster or slower when the train is moving than when it is standing still When the train is at rest v trainground0 From above equation, Speed of ball relative to ground when it is at rest, vballground= 0 + vballtrain vballground(rest)vballtrain…..2 When the train is moving, v traingroundfinite value From above equation, Speed of ball relative to ground when train is moving, vballground(moving)vtrainground vballtrain…...3 Therefore comparing equation 3 and 2 v >v ballground(moving) ballground(rest) That is, the speed of ball relative to ground is greater when the train is moving than when the train is at rest.

Step 3 of 3

Chapter 35, Problem 3E is Solved
Textbook: Conceptual Physics
Edition: 12
Author: Paul G. Hewitt
ISBN: 9780321909107

Since the solution to 3E from 35 chapter was answered, more than 249 students have viewed the full step-by-step answer. Conceptual Physics was written by and is associated to the ISBN: 9780321909107. The full step-by-step solution to problem: 3E from chapter: 35 was answered by , our top Physics solution expert on 04/03/17, 08:01AM. The answer to “A person riding on the roof of a freight train throws a ball forward. (a) Neglecting air drag and relative to the ground, is the ball moving faster or slower when the train is moving than when it is standing still? (b) Relative to the freight car, is the ball moving faster or slower when the train is moving than when the train is standing still?” is broken down into a number of easy to follow steps, and 66 words. This full solution covers the following key subjects: train, moving, ball, slower, Still. This expansive textbook survival guide covers 45 chapters, and 4650 solutions. This textbook survival guide was created for the textbook: Conceptual Physics, edition: 12.

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