Physics, asked by harini2207, 4 months ago

A boy shouts loudly into an empty well that is 33m deep After how long will be
hear the echo?
(Speed of sound in air =330m/s)

Answers

Answered by gontumukkalajithesh5

2

Answer: 20,000 milliseconds

Explanation:

330/1000=0.33 the voice is going to bounce back so the distance will be 66m

66m=6600cm 6600/0.33=20,000 millisecond

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