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. |
New search. (Also 5349 free access solutions) |