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March 27, 2015

Homework Help: Physics

Posted by Lucas on Wednesday, January 15, 2014 at 2:16am.

A bullet whose mass is 0.0015kg leaves a 5kg leaves a 5kg rifle at a muzzle velocity of 800 m/s. It strikes a 7kg block of wood and becomes embedded in it.

After the bullet hits the rock, what is the speed of the bullet/ block system?

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