A 1250-kg car drives up a hill that is 16.2 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 x 105J ; the work done by the engine is + 6.44 x 105J. Find the change in the car’s kinetic energy from the bottom of the hill to the top of the hill. Draw and Explain.

Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 8.10CQ: In Chapter 7, the work-kinetic energy theorem, W = K, was introduced. This equation states that work...
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1. •• A 1250-kg car drives up a hill that is 16.2 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 x 105J ; the work done by
the engine is + 6.44 x 105J. Find the change in the car’s kinetic
energy from the bottom of the hill to the top of the hill. Draw and Explain.

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