a boy years an echo of his own voice from hill after 1s, if the speed of sound is 340m/s, what is the distance of the hill from the body?
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◐ Given ◐
- Speed of the sound = 340 m/s
- Time taken to hear the echo = 1 s
◐ To find ◐
- Distance of the hill from the body
◐ Solution ◐
⇰ V = 2d/t
- V is velocity
- d is distance
- t is time
⇾ d = v/2t
⇾ d = vt/2
⇾ d = 340/2×1
⇾ d = 340×1/2
⇾ d = 340/2
⇾ d = 170
➛ Distance of the hill from the body (boy) is 170 m
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