A train passes by an little boy at the depot As it moves away from the boy at 65 m/s, the whistle emits a frequency of 4500hz. What frequency docs the little boy hear as the train barrcs off into the distance. Spced of sound in air is 343m/'s 1.5357.14 2. 5552.2 hz 3.4500hz 4.3783 hz 5.3647,26 hz

A train passes by an little boy at the depot As it moves away from the boy at 65 m/s, the whistle emits a frequency of 4500hz. What frequency docs the little boy hear as the train barrcs off into the distance. Spced of sound in air is 343m/'s 1.5357.14 2. 5552.2 hz 3.4500hz 4.3783 hz 5.3647,26 hz

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter17: Sound

Section: Chapter Questions

Problem 121P: What is the minimum speed at which a source must travel toward you for you to be able to hear that...

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Question

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A train passes by an little boy at the
depot As it moves away from the boy at
65 m/s, the whistle emits a frequency of
4500hz. What frequency docs the little
boy hear as the train barrcs off into the
distance. Spced of sound in air is 343m/'s
1.5357.14
2. 5552.2 hz
3.4500hz
4.3783 hz
5.3647,26 hz

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