Physics, 15.07.2020 20:01 kevinvalencia01

A girl on a skateboard (total mass of 40 kg) is moving at a speed of 10 m/s at the bottom of a long road. The road is inclined at 20o with respect to the horizontal. If she travels 14.2 m upward along the road before stopping, without pushing in any way, what is the net frictional force on her?

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A girl on a skateboard (total mass of 40 kg) is moving at a speed of 10 m/s at the bottom of a long...