By how much is the energy stored in a Hooke's law spring increased when its stretch is increased from 8.00 cm to 16.0 cm?

Name: By how much is the energy stored in a Hooke's law spring increased when its stretch is increased from 8.00 cm to 16.0 cm?
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Quizplus · Accepted Answer

The energy stored in a spring is proportional to the square of its stretch (E = 1/2 k x^2). Doubling the stretch from 8.00 cm to 16.0 cm increases the energy by a factor of (16/8)^2 = 4, which is a 300% increase.

By How Much Is the Energy Stored in a Hooke's