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Take two pieces of a stone of 0.2 kg and 3kg masses boot having about equal density keep a plane sheet of tin at the base of the height where the stones strike. Drop both the stones from a height simultaneously listen to the sound produced by both the stone while they strike on the tin will both the stones having different masses hit tin sheet placed on the ground at a same time? Why?

Take two pieces of a stone of 0.2 kg and 3kg masses boot having about equal density keep a plane sheet of tin at the base of the height where the stones strike. Drop both the stones from a height simultaneously listen to the sound produced by both the stone while they strike on the tin will both the stones having different masses hit tin sheet placed on the ground at a same time?
Why? 

Grade:10

1 Answers

Jcisushh
15 Points
2 years ago
 
Both the stones will hit the ground at the SAME time. 
 
Both the stones will have same acceleration of 9.8m/s^2 and have the same initial linear velocity, zero (both are being dropped=> initial velocity, u=0). By the second equation of motion (s=ut+(1/2)at^2), since the displacement(s) is same for both, the time taken for both to hit the ground is same.
 
Unless, the tin sheet is inclined, this answer is valid for object of any mass. 
 
Hope it helped:)

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