Statement of a problem № 41689


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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