Homework Help: Phys

Posted by Phys on Thursday, November 20, 2008 at 11:20pm.

A top starting from rest is spun for 3 seconds achieving an angular speed of 20 rad/s. How many radians has it gone through in this time? (a is constant)

Phys - Phys, Friday, November 21, 2008 at 12:14am
Is the answer 30 radians?
Phys - drwls, Friday, November 21, 2008 at 2:53am
Yes. It equals
(1/2)(time)(final angular speed)

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