Question

a spring with a force constant of 1590 N/m is compressed by 0.3 m. How much potential energy is stored in the spring?

a. 4.5 J
b. 6.75 J
c. 13.5 J
d. 22.5 J

Answer 1

energy = (1/2)*1590*0.3^2 = 71.55 J

but it is not in operation.

thanks for asking.