Posted by Allie on Thursday, October 6, 2011 at 11:00pm.
A dentist's drill starts from rest. After 3.30 s of constant angular acceleration it turns at a rate of 2.1 104 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

Physics  Anonymous, Sunday, December 4, 2011 at 1:42pm
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