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miss Akunina [59]
3 years ago
8

A clear echo is heard within 0.2 seconds when a person shouts by sitting at the ridge of a hill. Calculate the velocity of sound

in air. The distance between the person and the hill is 33.2 m​
Physics
1 answer:
alexdok [17]3 years ago
3 0
The sound takes 0.2 seconds to go to the hill and come back, so it would take 0.1 seconds to get to the hill. then v=d/t; v=33.2/0.1
v=332m/s
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