b. As the pendulum swings freely, what is happening to its energy? (1 point)

Question

KE converts to PE, and then total energy becomes zero.
• PE converts to KE, and then total energy becomes zero
• PE converts to KE as it falls, and then KE converts to PE as it rises
• KE converts to PE as it falls, and then PE converts to KE as it rises

Answer 1

c. PE converts to KE as it falls, and then KE converts to PE as it rises