Physics, asked by mayankshukla123, 3 months ago

A girl fires a gun and hears the echo after 5seconds. If she is 400m away from a wall, calculate the speed of sound in air

Answers

Answered by nirpendrasingj
0

Answer:

anser = speed should be 80m/s

Answered by AlpeshOtaradi
0

Answer:

160 m/sec

Explanation:

t =5

d=400m

v=2d/t

=2*400/5

=160 m/sec

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