Jim is playing with a 1-meter-long pendulum that is hooked
2 meters above the ground. He lifts the pendulum's bob to a height of 2 meters above the ground and then releases it. Potential energy is assigned zero value at the ground level. Which statement is true about this problem?
A. At the lowest position of the bob, the KE is equal to zero.
B. At the highest position of bob, PE is equal to zero.
C. At the highest position of the bob, the KE is equal to zero.
D. At all the positions except the highest positions the PE is zero.
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