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A truck of mass 25947 kg is moving east at 63 km / h collides a...

A truck of mass 25947 kg is moving east at 63 km / h collides a car of mass 1271 kg moving west at 92 km / h. The Collision is completely inelastic and takes place on a frictionless road. Determine the fractional loss of kinetic energy after the Collision. Give an answer to one decimal place. Remember to add unit% after the numerical value.

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