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pattytcakes pattytcakes
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2 months ago
A 2,000 kg car is traveling at 20.0 m/s and then puts on the brakes and comes to a complete stop. The heat generated at the brakes due to stopping heats up the brakes. The mass of the brake system is 20.0 kg and it has a specific heat of 0.200 kcal/kg °C. What is the increase in the temperature of the brakes?

▸ 75.3 °C

▸ 53.1 °C

▸ 23.9 °C

▸ 18.9 °C

▸ 12.4 °C
Textbook 
College Physics

College Physics


Edition: 5th
Author:
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psstone42psstone42
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