A dentist’s drill starts from rest. After 1.28s of constant angu-lar acceleration, it turns at a rate of 34740 re v/m i n. (a) Find the drill’s angular acceleration. (b) Determine the angle (in radians)

A dentist’s drill starts from rest. After 1.28s of constant angu-lar acceleration, it turns at a rate of 34740 re v/m i n. (a) Find the drill’s angular acceleration. (b) Determine the angle (in radians) through which the drill rotates during this period.

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