Sunday, September 14, 2014

World problem for physics?

A 1255 kg Honda is going through a school zone at 5.0 x 101 km/h and then the driver quickly
steps on the brakes to make the car come to a complete stop by skidding 3.0 x 101 m. What is
the work done on the car by the frictional forces? (Hint: the answer is negative because the
force and the displacement are in the opposite directions.)

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