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Impulsive Forces in Collision

Statement I :...

Question

Statement I : When a clay ball of mass m hits normally a wall with speed v and sticks to it, impulse imparted to the ball is 2 mv.
Statement II: Impulse is equal to rate of change of linear momentum with time.

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Solution

Statement I is wrong.
When a clay ball of mass m hits normally a wall with speed v and sticks to it, impulse imparted to the ball is $m v$ .
Statement II is also false.
Impulse is equal to the change in linear momentum.

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