A 1100 kg car drives up a hill that is 15.2 mm high. During the drive, two nonconservative forces do work on the car: (i) the force of friction, and (ii) the force generated by the car's engine. The work done by friction is −3.11×105 J ; the work done by the engine is 6.54×105 J.  Find the change in the car's kinetic energy from the bottom of the hill to the top of the hill.

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