Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
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Chapter 5, Problem 15P
. A 1,200-kg car going 25 m/s is brought to a stop using its brakes. Let's assume that a total of approximately 20 kg of iron in the brakes and wheels absorbs the heat produced by the friction.
(a) What was the car's original kinetic energy?
(b) After the ear has stopped, what is the change in temperature of the brakes and wheels?
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Chapter 5 Solutions
Inquiry into Physics
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