A ring of diameter 0.4cm and mass 10kg is rotating about its geometrical axis and the rate is 35 rotation/sec. find the MOI , angular momentum and rotational kinetic energy of ring.
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solution-
radius = 0.4/2 = 2
I = mr^2
10 × (.2)^2
10 × 0.04
0.4 kg-m^2
radius = 0.4/2 = 2
I = mr^2
10 × (.2)^2
10 × 0.04
0.4 kg-m^2
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