Physics, asked by dhanushaj5890, 1 year ago

A stone is dropped into a well 44.1m deep.after how much time the sound will be heard if the velocity of sound is 330m/s

Answers

Answered by Anonymous
20
From second equation of motion

s= ut +1/2gt^2

Given s=44.1m u=0m

v=300m/s

44.1 = 1/2 ×10t^2

8.82 =t^2

About 2.9



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