A train whistle of frequency 264 Hz sounds higher or lower in pitch depending on whether it approaches or recedes.

Published by admin at September 26, 2023

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Calculate the difference in frequency be- tween the approaching and receding train whistle for a train moving at a speed of 103 km/h. Take the speed of sound in air to be 340 m/s.

Answer in units of Hz.

A train whistle of frequency 264 Hz sounds higher or lower in pitch depending on whether it approaches or recedes.

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