Wednesday
August 27, 2014

Homework Help: Physics

Posted by Bob on Sunday, December 16, 2012 at 11:05am.

An electronic motor is revolving at 2000rpm. After 3sec, it is moving at 150rpm.
Determine the angular acceleration.
What is angular momentum of the electric motor if the rotational inertia is 18.kg.square meter in initial velocity?
In final velocity?
What is the average angular momentum?

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