For a pendulum swinging between points L and J with K as the equilibrium position: I. The potential energy is greatest at K; II. The kinetic energy is greatest at K; III. L & J are the maximum displacements; IV. The velocity is 0 at J. Which statements are correct?

University of Ilorin PHY107 2020 past question

1. I only
2. II and III
3. II, III, and IV
4. IV only

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