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A sphere of mass 25 Kg is moving at a speed of 1.5 m/s undergoes collision with another sphere of mass 50 Kg moving at 3m/s in the same direction, find the loss of kinetic energy when the collision is inelastic with e = 0.6.

A sphere of mass 25 Kg is moving at a speed of 1.5 m/s undergoes collision with another sphere of mass 50 Kg moving at 3m/s in the same direction, find the loss of kinetic energy when the collision is inelastic with e = 0.6. Correct Answer 12.00 N-m

Loss of kinetic energy during inelastic collision with coefficient of restitution is given by m1m2/(2(m1+ m2) (u12 – u22)(1-e2)) substituting the values we get El = 12 N-m.

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