Question: A force of 800 N stretches a certain spring a distance of 0.200 m. (a) What is the potential energy of the spring when it

A force of 800 N stretches a certain spring a distance of 0.200 m.
(a) What is the potential energy of the spring when it is stretched 0.200 m?
(b) What is its potential energy when it is compressed 5.00 cm?

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