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July 24, 2014

Homework Help: physical

Posted by sara on Friday, August 17, 2012 at 8:34pm.

A 0.8 kg block of wood has an initial velocity of 0.25 m/s as it begins to slide across a table. The block comes to rest over a distance of 0.72m.
a) what is the average frictional force on the block?
b)How much work is done on the block by friction?
c)How much work is done on the table by the block?

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