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17-10-2022
Physics

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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. The car experiences a frictional force of 23 N. and the engine exerts a force of 200 N.

a. Calculate the work done on the car by the engine.

b. Calculate the velocity of the car after
moving 4,8 m.

A film star in a car together 720 kg drives 48 m down an inclined plane as indicated in the picture She starts from rest The car experiences a frictional force class=

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