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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.

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. Correct Answer 18.75 N-m

Loss of kinetic energy during inelastic collision is given by m1m2/(2(m1+ m2) (u12 – u22) substituting the values we get El = 18.75 N-m.

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