Homework Help: physics

Posted by Anonymous on Friday, December 9, 2011 at 11:31am.

a rock with a mass of 6.0 kilograms is being whirled in a horizontal circle on the end of a rope 1.6 meters long. if the speed of the rock is 2.7 meters per second, what is the magnitude of the centripetal acceleration

physics - drwls, Friday, December 9, 2011 at 11:58am
V^2/R

R is the rope length
V is the speed.

For the acceleration, you do not need the mass.

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