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July 7, 2015

Homework Help: physics

Posted by vanessa on Sunday, January 23, 2011 at 1:48am.

Two blocks of masses m and M [M = 4.23m]
are placed on a horizontal, frictionless surface.
A light spring is attached to one of them, and
the blocks are pushed together with the spring
between them. A cord holding them together
is burned, after which the block of mass M
moves to the right with a speed of 2.35 m/s.

What is the speed of the block of mass m?
Answer in units of m/s.

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