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Asked Nov 16, 2019
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A bat flying in a cave emits a sound and recieves its echo 0.1 seconds later. What is the distance to the wall? The speed of sound in air is 360 m/s. (ans 18m) Show work

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The sound from the bat reaches the wall and returns to the source for the echo to be heard. The equation for the distance travelled by the sound is given by, d vt Here, d is the distance travelled, v is the speed of the sound and t is the time taken.

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