Homework Help: physics

Posted by Cara on Tuesday, April 19, 2011 at 12:35pm.

A grinding wheel 0.28 m in diameter rotates at 2400 rpm. What is the acceleration of a point on the edge of the grinding wheel?

physics - bobpursley, Tuesday, April 19, 2011 at 1:13pm
a=w^2 *r

in SI units, w= 2400rpm * 1min/60sec*2PIrad/revolution= 251rad/sec

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