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23 Nov 2019
A 1200 kg car drives up a hill that is 15.7 m 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 6.44×105 J. Find the change in the car's kinetic energy from the bottom of the hill to the top of the hill.
A 1200 kg car drives up a hill that is 15.7 m 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 6.44×105 J. Find the change in the car's kinetic energy from the bottom of the hill to the top of the hill.
Reid WolffLv2
31 Oct 2019
