A 60.0 kg circus performer slides 4.00 m down a pole to
Chapter , Problem 109(choose chapter or problem)
A 60.0 kg circus performer slides 4.00 m down a pole to the circus floor, starting from rest. What is the kinetic energy of the performer as she reaches the floor if the frictional force on her from the pole (a) is negligible (she will be hurt) and (b) has a magnitude of 500 N?
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