a person clapped his hands near a cliff and heard the echo after 4sec. what is the distance of the cliff from the person if the speed of sound . V is taken as 346ms-1
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speed of sound ,V= 346 m\s.
Time taken for hearing the echo , t=5s.
Distance travelled by the sound =V×T.=346×5.=1750 m.
In 5s , sound has travel twice .
I think it may help you.
Time taken for hearing the echo , t=5s.
Distance travelled by the sound =V×T.=346×5.=1750 m.
In 5s , sound has travel twice .
I think it may help you.
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