1.

Consider a fly wheel whose mass M is distributed almost equally between a heavy, ring-like rim of radius P and a concentric disk-like feature of radius R/2. Other parts of the flywheel, such as spokes, etc, have negligible mass. The best approximation for , if the moment Of inertia of the flywheel about its axis of rotation is expressed as MR2, is _______.

A. 0.56
B. 0.51
C. 0.55
D. 0.59
Answer» B. 0.51


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