A dentist’s drill starts from rest. After 3.20 s of constant angularacceleration, it turns at a rate of 2.51 x 104 rev/min.(a) Find the drill’s angular acceleration. (b) Determine the angle(in radians) through which the drill rotates during this period.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter12: Rotation I: Kinematics And Dynamics
Section: Chapter Questions
Problem 20PQ: A wheel starts from rest and in 12.65 s is rotating with an angular speed of 5.435 rad/s. a. Find...
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A dentist’s drill starts from rest. After 3.20 s of constant angular
acceleration
, it turns at a rate of 2.51 x 104 rev/min.
(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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