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1. |
A disc spinning on its axis at 20 rad/s will undergo precession when a torque 100 N-m is applied about an axis normal to it. If the mass moment of inertia is 1 kg-m2, then the angular velocity of precession is? |
A. | 0.2 rad/s |
B. | 5 rad/s |
C. | 10 rad/s |
D. | 200 rad/s |
Answer» C. 10 rad/s | |