December 1, 2015

Homework Help: Trigonometry

Posted by James on Tuesday, July 3, 2007 at 8:07am.

A wheel is rotating at 200 revolutions per minute .find the angular speed in radians per second.

200 rpm
=200*2pi radians/1 minute (1 rotation = 2pi radians)
= 400pi radians/60 seconds
=20/3 radians/second

You can follow the same procedure for the other two questions you asked.

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