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Home Q & A Board Science-Related Homework Help Physics
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mooncalled mooncalled
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4 months ago

A 2,000 kg car is traveling at 15.0 m/s down a long mountain grade of 2.00%. The mountain road is 5.0 km long. The heat generated at the brakes due to friction 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?



▸

43 °C



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54 °C



▸

83 °C



▸

95 °C



▸

117 °C

Textbook 
College Physics

College Physics


Edition: 5th
Author:
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rick32rick32
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4 months ago
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mooncalled Author
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4 months ago
Thanks
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