Physics, asked by naricassa444, 15 hours ago

A man standing in front of a mountain beats a drum at regular intervals. The rate of drumming is generally increased and he finds that the echo is not heard distinctly when the rate becomes 40 per minute. He then moves nearer to the mountain by 90 m and finds that echo is again not heard when the drumming rate becomes 60 per minute. find
the velocity of soun here?

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Answered by janhvi759
0

Answer:

plz mark as brainliest...please

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