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March 31, 2015

Homework Help: phys2

Posted by opp on Sunday, February 26, 2012 at 9:19pm.

A 2.9-kg block is released from rest and allowed to slide down a frictionless surface and into a spring. The far end of the spring is attached to a wall, as shown. The initial height of the block is 0.34 m above the lowest part of the slide and the spring constant is 347 N/m.
(a) What is the block's speed when it is at a height of 0.25 m above the base of the slide?


(b) How far is the spring compressed?


(c) The spring sends the block back to the left. How high does the block rise?

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