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A film star in a car (together 720 kg) drives 4.8 m down an inclined plane as indicated in the picture. She starts from rest.

A film star in a car (together 720 kg) drives 4.8 m down an inclined plane as indicated in the picture. She starts from rest. The car experiences a friconal force of 23 N. and the engine exerts a force of 200 N. Calculate the work done on the car by the engine

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