Monday
September 15, 2014

Homework Help: Physics

Posted by Lisa on Monday, May 5, 2014 at 5:09pm.

The angular velocity of a process control motor is (21−12t2) rad/s, where t is in seconds.

A)At what time does the motor reverse direction?

I got 6.5s

B) Through what angle does the motor turn between t =0 s and the instant at which it reverses direction?

Can you help with B

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