Multiple Choice
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 kg∙m2. 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
Correct Answer:

Verified
Correct Answer:
Verified
Q4: The rotational inertia of a disk about
Q6: A force with a given magnitude is
Q23: For a wheel spinning with constant angular
Q26: Wrapping paper is being unwrapped from a
Q41: A wheel starts from rest and spins
Q42: To increase the rotational inertia of a
Q67: Two wheels are identical but wheel B
Q80: A wheel rotates with a constant
Q98: A disk with a rotational inertia of
Q101: A disk with a rotational inertia of