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April 18, 2015

Homework Help: AP PHYSICS MECH.

Posted by vm on Saturday, February 12, 2011 at 2:45pm.

A 5.00 g bullet moving at 648 m/s strikes a 670 g wooden block at rest on a frictionless surface. The bullet emerges, traveling in the same direction with its speed reduced to 440 m/s.
A 5.00 g bullet moving at 648 m/s strikes a 670 g wooden block at rest on a frictionless surface. The bullet emerges, traveling in the same direction with its speed reduced to 440 m/s.
(a) What is the resulting speed of the block?

(b) What is the speed of the bullet-block center of mass?
(b) What is the speed of the bullet-block center of mass?

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