Question

A gun is fired from a distance of 1.2km from a hill the echo of the sound is heard at the same place after 7.1sec calculate the velocity of sound​

Answer 1

Answer:

Given

d = 1.2 km = 1200m

time = 7.1 sec

v = 2d ÷ t

v = 2 × 1200 ÷ 7.1 sec

v = 338.03m/a

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