A dentists drill starts from rest after 290 s of constant, Ask an Expert

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A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.0 multiply.gif 104 rev/min.

(a) Find the drill's angular acceleration.

rad/s2

(b) Determine the angle (in radians) through which the drill rotates during this period.

rad

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