How much energy is stored in the spring of a dart gun that has a force constant of 20nm and compressed .25m

Potential energy stored in the spring is given as

U = 0.625 J

Explanation:

As we know that the potential energy stored in the spring is given as

so we have

K = 20 N/m

also the spring is compressed by

x = 0.25 m

so we have

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