Question

A body of mass "m" collides with awall witha a velocity "v" and rebounds with the same speed .its change in momentum is

Answer 1

Heya.....!!!!

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Given in the question:-

=> A ball is thrown with velocity v and it collides with wall and rebound with same velocity v .

=> mass of ball is = m

Change in momentum ( Δ P ) = mv - ( - mv )

⇒⇒ Change in moment is => 2mv


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Answer 2

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Given in the question:-

=> A ball is thrown with velocity v and it collides with wall and rebound with same velocity v .

=> mass of ball is = m

Change in momentum ( Δ P ) = mv - ( - mv )

⇒⇒ Change in moment is => 2mv

HOPE SO IT WILL HELP.....