Multiple Choice
The rotational inertia of a disk about its axis is 0.70 kg . m2. When a 2.0 kg weight is added to its rim, 0.40 m from the axis, the rotational inertia becomes:
A) 0.38 kg . m2
B) 0.54 kg. m2
C) 0.70 kg . m2
D) 0.86 kg . m2
E) 1.0 kg . m2
Correct Answer:
Verified
Correct Answer:
Verified
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