Tuesday

July 29, 2014

July 29, 2014

Posted by **DAN** on Saturday, November 1, 2008 at 3:25pm.

a) How much elastic potential energy is stored in the spring?

b) The same spring is stretched so that it is 6.0 cm longer than its equilibrium length. How much elastic potential energy is stored in the spring now?

c) A different spring with spring constant four times larger than in part (a) is compressed so that it is 2.0 cm shorter than its equilibrium length. How much elastic potential energy is stored in this spring?

- Physics -
**drwls**, Saturday, November 1, 2008 at 4:15pma) zero

b) (1/2) k X^2, where X = 0.06 m

c) In this case, X is -1/3 of the previous example, and k is 4 times greater. Use the same formula and see what you get.

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