November 25, 2015

Homework Help: physics

Posted by Sasha on Tuesday, November 3, 2009 at 9:26pm.

a .45kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.3m on a frictionless horizontal surface. if the cord will break when the tension in it exceeds 75 N, what is the maximum speed the ball can have?

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