Posted by **Alexis** on Wednesday, January 5, 2011 at 4:30am.

A 15.0 gram bullet strikes and becomes embedded in a 1.24 kg block of wood placed on a horizontal surface just in front of the gun. If the coefficient of kinetic friction between the block and the surface is 0.280, and the impact drives the block a distance of 11.0 m before it comes to rest, what was the muzzle speed of the bullet?

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