Physics, asked by swanooja, 1 year ago

A person who bursts a crack hears it's echo after 1 s . what is the distance to reflecting surface if the speed of sound in air is 340m/s?

Answers

Answered by Vatsal99
2
Speed=340m/s
Time =1s
Distance covered by sound after reflecting =2D
so,
Speed=Distance÷Time
340m/s=2D÷1s
340=2D
D=170m
Vatsal99: nope
swanooja: why
Vatsal99: nope means no problem
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Vatsal99: sorry i cant tell u that
swanooja: plz
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swanooja: I just ask silly question
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