Posted by Stew on Monday, November 1, 2010 at 7:42pm.
If it requires 7.0 of work to stretch a particular spring by 2.1 from its equilibrium length, how much more work will be required to stretch it an additional 3.7?

Physics  bobpursley, Monday, November 1, 2010 at 8:30pm
I don't see any units in the problem statement. It is meaningless without them.

Physics  Stew, Monday, November 1, 2010 at 10:55pm
Sorry, inexcusable mistake. 7 Joules of work, 2.1 cm, and 3.7 cm
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