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A ball with mass of m=0.5 (Kg) has velocity of V1= 8 m/s and moves with...

A ball with mass of m=0.5 (Kg) has velocity of V1= 8 m/s and moves with the angle of 45 degrees with respect to vertical line. It hits the ground and bounce back with V2= 6 m/s with the same angle with respect to ground . What is the change in ball's momentum?

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