If the car was in neutral and its brakes were off so that, Ask an Expert

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A 730-{rm kg} car stopped at an intersection is rear-ended by a 1800-{rm kg} truck moving with a speed of 15.5 m/s.

If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of the truck.

Find the final speed of the car.

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