The alarm at a fire station rings and a 87.5-kg fireman, starting from rest, slides down a pole to the floor below (a distance of 4.10 m). Just before landing, his speed is 1.75 m/s. What is the magnitude of the kinetic frictional force exerted on the fireman as he slides down the pole?

Explanation:

From the question we are told that

Weight of fireman

Pole distance

Final speed is

Generally the equation for velocity is mathematically represented as

Therefore Acceleration a

Generally the equation for Frictional force is mathematically given as

Therefore

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