A dentists drill starts from rest after 320 s of constant, Physics

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A dentists drill starts from rest after 320 s of constant

A dentist's drill starts from rest. After 3.20 s of constant angular acceleration it turns at a rate of 2.3 104 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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Physics: A dentists drill starts from rest after 320 s of constant

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