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August 28, 2015

Homework Help: Physics

Posted by Anonymous on Sunday, December 23, 2012 at 7:40pm.

A(n) 15 g bullet is fired into a(n) 116 g block
of wood at rest on a horizontal surface and
stays inside. After impact, the block slides
15 m before coming to rest.
The acceleration of gravity is 9.8 m/s
2
.
If the coefficient of friction between the
surface and the block is 0.7, find the speed of
the bullet before impact.
Answer in units of m/s

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