Posted by **McKenzie** on Wednesday, February 22, 2012 at 1:48pm.

Janet wants to find the spring constant of a given spring, so she hangs the spring vertically and attaches a 0.42 kg mass to the spring's other end. If the spring stretches 4.0 cm from its equilibrium position, what is the spring constant?

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**Anonymous**, Monday, April 25, 2016 at 7:13pm
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