A man fires a gun towards a hill and hears it's echo after 5s.He can moves 340 m towards the hill and fires his gun again. This time he hears the echo after 3 s. Calculate the speed of sound.
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Answer:in condition 1
V=2d/t
V=2d/5
Condition 2
D=d-340
V=2(d-340)/3
In both condition velocity will be same so
2d/5=2(d-340)/3
This come out to be 850m/s
Explanation:
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