The collar is attached to the spring that has an unstretched length of 6.5 ft. I

Question

The collar is attached to the spring that has an unstretched length of 6.5 ft. It is released at position A and moves to point B. Which m correct statement regarding the potential energy change of the collar from A to B? The gravitational potential energy increases, but the elastic potential energy decreases. The gravitational potential energy decreases, but the elastic potential energy increases; The gravitational potential energy remains the same. Both gravitational and elastic potential energies increase. Both gravitational and elastic potential energies decrease.

Explanation / Answer

the gravitational potential energy decreases.

but the elastic potential energy increases.. (1/2*k*x^2) since x increases

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