Suppose the engineer adjusts the speed of the train until the sound he hears reflected from the

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Suppose the engineer adjusts the speed of the train until the sound he hears reflected from the cliff is 775 Hz. The train's whistle still produces a tone of 650.0 Hz.

(a) Is the new speed of the train greater than, less than, or equal to 21.2 m/s? Explain.

(b) Find the new speed of the train.

Horn sounds Engineer hears f
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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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