The alarm at a fire station rings and an 86-kg fireman,
Chapter 4, Problem 4.183(choose chapter or problem)
The alarm at a fire station rings and an 86-kg fireman, starting from rest, slides down a pole to the floor below (a distance of 4.0 m). Just before landing, his speed is 1.4 m/s. What is the magnitude of the kinetic frictional force exerted on the fireman as he slides down the pole?
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