The Potential Energy of a Spring Is 0

question 20

Multiple Choice

The potential energy of a spring is 0.3 J when it is compressed 0.04 m to the left of its equilibrium position. At this point it comes to its leftmost position. What is its kinetic energy when it returns to the equilibrium point?

• A) 0.25 J and moving to the right
• B) zero
• C) -0.25 J and moving to the left
• D) 0.25 J and at rest.
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