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April 19, 2015

Homework Help: Physics

Posted by Doug on Tuesday, May 25, 2010 at 1:00am.

What is the acceleration of the upper block? The coefficient of kinetic friction between the lower block and upper block is 0.0005. The coefficient of kinetic friction between lower block and floor is 0.0001. Upper block is 1kg, lower block is 2kg, and Force of 20N is applied to lower block.
Here's a picture:

img217.imageshack.us/img217/3526/2505100050.jpg

I got 20 m/s as the acceleration of the upper block. Is this right?

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