Question: The balance wheel of a watch vibrates with an angular amplitude e, angular frequency', and phase angle' = O. (a) Find expressions for the angular

The balance wheel of a watch vibrates with an angular amplitude e, angular frequency"', and phase angle'" = O.
(a) Find expressions for the angular velocity d81dt and angular acceleration d 281dt2 as functions of time.
(b) Find the balance wheel’s angular velocity and angular acceleration when its angular displacement is e, and when its angular displacement is e/2 and 8 is decreasing.

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