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April 19, 2015

Homework Help: physics

Posted by emm on Monday, January 18, 2010 at 8:22pm.

Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. the hanging block has a mass of 16 kg and the one on the plane has a mass of 8 kg. the coefficient of kinetic friction between the block and the inclined plane is 0.23. the blocks are released from rest.
a. what is the acceleration of the blocks?
b. what is the tension in the string connecting the blocks?

(I want to check my answers.. I got an acceleration of 4 m/s2, and for tension I'm not sure, I got a tension above the hanging block to be 92.8 ?)

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