Homework Help: physics

Posted by Eddy on Tuesday, April 13, 2010 at 3:40am.

A DVD is spinning at constant velocity. Compare and contrast the accelection of point A at the rim of the DVD and point B halfway between the centre and the rim.

physics - drwls, Tuesday, April 13, 2010 at 8:19am
The centripetal acceleration r w^2 is proportional to radius. w is the angular velocity (rad/sec), which is the same for both points. There is no tangential acceleration at constant w.

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