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April 23, 2014

Homework Help: Physics

Posted by Leah on Sunday, November 13, 2011 at 9:41pm.

A heavy-duty stapling gun uses a 0.162-kg metal rod that rams against the staple to eject it. The rod is pushed by a stiff spring called a "ram spring" (k = 32657 N/m). The mass of this spring may be ignored. Squeezing the handle of the gun first compresses the ram spring by 3.0 10-2m from its unstrained length and then releases it. Assuming that the ram spring is oriented vertically and is still compressed by 1.3 10-2m when the downward-moving ram hits the staple, find the speed of the ram at the instant of contact.

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