### What is the magnitude of the kinetic frictional force

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##### Reference no: EM13542939

a 50 kg block just starts to slide down a slope inclined at 30 degrees with respect to the horizontal. after sliding 5m down the slope, it is moving at 3 m/s.

a) calculate the work done by the kinetic frictional force that acts on the block.

b) what is the magnitude of the kinetic frictional force?

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