Average Power Dissipated by Brakes
A car with a mass of 2000 kg is traveling at a speed of 20 m/s. The brakes are applied, bringing the car to a complete stop over a distance of 40 m. What is the average power dissipated by the brakes during this interval?
A
-10,000 W
B
-5,000 W
C
100,000 W
D
-20,000 W
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