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April 24, 2014

Homework Help: Physics

Posted by confused on Sunday, November 21, 2010 at 7:08pm.

A bullet of mass 5.15 g is fired horizontally into a 2.74 kg wooden block at rest on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.185. The bullet comes to rest in the block, which moves 1.84 m.
(a) What is the speed of the block immediately after the bullet comes to rest within it?
(b) At what speed is the bullet fired?

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