A body of mass m collides against a wall with velocity 2v and rebounds with the same speed. Its change is momentum is
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Answer:
4mv in the direction of final momentum
Explanation:
final momentum = -2mv
initial momentum = 2mv
change in momentum = final momentum - initial momentum
= -2mv - (2mv)
= -4mv
Thus, change in momentum is 4mv in the direction of final momentum
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Answer:
It's change of momentum is A.
Explanation:
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