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A ball is moving towards the ball as shown in diagram then its momentum is conserved?

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+1 vote
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in Laws of Motion and Friction by (20 points)
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A ball is moving towards the ball as shown in diagram then its momentum is conserved?

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1 Answer

+1 vote
by (41.0k points)

Perpendicular to the wall, the change of momentum is 

mvcosθ - mvcosθ = 0 [as both are opposite]

Along wall, momentum

mvsinθ + mvsinθ = 2mvsinθ

So, momentum is conserved along wall.

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