Question

A 16 kg block is attached to a cord that is wrapped around the rim of a flywheel of diameter 0.40 m and hangs vertically, as shown. The rotational inertia of the flywheel is 0.50 kgm2. When the block is released and the cord unwinds, the acceleration of the block is:

A) 0.15 g
B) 0.56 g
C) 0.84 g
D) 1.0 g
E) 1.3 g

Answer

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