Two balls of the same mass are dropped from the same height onto the floor. The first ball bounces upwards from the floor elastically. The second ball sticks to the floor. The first applies an impulse to the floor of I 1 the second applies an impulse Ι 2 (for the duration of collision). Then the relation between both the impulses is,
Text Solution
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For the duration of collision
Impulse = change in momentum
Speeds of both the balls are same just before the collision with ground. ( v 2 = 2gh)
For elastic collision of first ball with ground velocity of first ball is reversed
= 
= 
For the second ball
= 
⇒ I 2 = 
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