Posted by **Sammie** on Monday, February 18, 2013 at 12:38am.

A tire 0.500 m in radius at a constant rate of 200 rev/min.Find the speed and acceleration of a small stone lodged in the tread of the tire( on its outer edge).

- Physics help!! -
**drwls**, Monday, February 18, 2013 at 2:46am
I assume you want the speed relative to the axle. The velocity with respect to the ground depends upon the angular location of the stone.

w = 20.94 radians/s

V = R*w = 10.47 m/s

a = R*w^2 = 219 m/s^2

- Physics help!! -
**Sammie**, Monday, February 18, 2013 at 9:12am
Thank's,i do appreciate ur help.

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