A spring is at rest in the vertical direction. When a $5$ kg mass is placed upon the spring, the length of the spring compresses to $0\mathrm{.}20$ meters. The $5$ kg mass is removed and replaced by an $8$ kg mass, which compresses the spring to a length of $0\mathrm{.}17$ meters. How much work was done on the spring in each instant?

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The work done on a spring is given by the formula Work 05kx2 where k is the spring constant and x is ... View the full answer