## Question

###### A toy gyroscope has a ring of mass M and radius R attached to the axle...

A toy gyroscope has a ring of mass *M* and radius *R* attached to the axle by lightweight spokes. The end of the axle is distance *R* from the center of the ring. The gyroscope is spun at angular velocity *ω*, then the end of the axle is placed on a support that allows the gyroscope to precess.

Find an expression for the precession frequency Ω.

A 120 g, 8.0-cm-diameter gyroscope is spun at 1000 rpm and allowed to precess. What is the precession period?

## Answers

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