Posted by **Justin** on Saturday, July 27, 2013 at 7:20pm.

A spring has a length of 0.190 m when a 0.300 kg mass hangs from it, and a length of 0.750 m when a 2.80 kg mass hangs from it.

(a) What is the force constant of the spring?

(b) What is the unloaded length of the spring?

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