A girl on skateboard (total mass of 56.4 kg) is moving at 11 m/s at the bottom of a long ramp. The ramp is inclined at 23.1° with respect to the horizontal. If she travels 12.6 m along the ramp before stopping, what is the work done by the net frictional force in J on her? Give your answer to 1 decimal place.
A girl on skateboard (total mass of 56.4 kg) is moving at 11 m/s at the bottom of a long ramp. The ramp is inclined at 23.1° with respect to the horizontal. If she travels 12.6 m along the ramp before stopping, what is the work done by the net frictional force in J on her? Give your answer to 1 decimal place.
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter7: Work, Energy, And Energy Resources
Section: Chapter Questions
Problem 38PE: (a) How long will it take an 850-kg car with a useful power output of 40.0 hp (1hp=746W) to reach a...
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