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The hero of a western movie listens for an oncoming train

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 2DQ Chapter 16

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 2DQ

The hero of a western movie listens for an oncoming train by putting his ear to the track. Why does this method give an earlier warning of the approach of a train than just listening in the usual way?

Step-by-Step Solution:

Solution 2DQ Step 1of 1: Because the speed of sound in metallic track is larger than that in the air.Sound, being vibrations, travels faster through solid than air. He would hear the train sooner than anyone trying to listen through air.

Step 2 of 3

Chapter 16, Problem 2DQ is Solved
Step 3 of 3

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

The answer to “The hero of a western movie listens for an oncoming train by putting his ear to the track. Why does this method give an earlier warning of the approach of a train than just listening in the usual way?” is broken down into a number of easy to follow steps, and 39 words. This full solution covers the following key subjects: train, movie, earlier, give, hero. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. Since the solution to 2DQ from 16 chapter was answered, more than 494 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: University Physics, edition: 13. University Physics was written by and is associated to the ISBN: 9780321675460. The full step-by-step solution to problem: 2DQ from chapter: 16 was answered by , our top Physics solution expert on 05/06/17, 06:07PM.

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The hero of a western movie listens for an oncoming train