Homework Help: physics

Posted by Lilith on Sunday, April 11, 2010 at 4:58pm.

A 40cm diameter wheel accelerates uniformly from 240 rpm to 360 rpm in 6.5s. How far (linearly) will a point on the edge of the wheel have traveled in this time?

physics - bobpursley, Sunday, April 11, 2010 at 5:02pm
Linearly? It travels in an arc. The arc distance is (360+240)/2 * 2PI*20cm*6.5/60

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