Question

A thin string is slipped on to a small peg on the axle of a flywheel and wound round it, with a
mass of 2 kg suspended from its lower free end which is initially held in position at a height of 100
cm from the floor. The mass is then allowed to fall. When it just touches the floor and the string
slips off the peg, the flywheel comes to rest after making 20 revolutions in 8 sec. If the radius of the
axle be 1.0cm, obtain the value of the moment of inertia of the wheel about its axle and the kinetic
energy of the 2 kg mass as it just touches the floor

Answer 1

Answer:

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Explanation:

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