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April 16, 2014

Homework Help: Physics

Posted by Allie on Friday, October 7, 2011 at 5:51pm.

A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.1x10^4 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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