Consider two balls, 1) is perched atop a high cliff, and 2) is on the ground 100 feet below. The one that has higher potential energy is... 1) 2) Because... 3) Because the potential energy of the ball increases as it is closer to the earth. 4) The potential energy of the system is directly proportional to the height above the earth. 5) The cliff endows the ball with superpowers. 6) The ground at the bottom of the cliff re-energizes the ball. A) 1, 3 B) 1,4 C) 1,5 D) 1,6 E) 1, 4 and 5 F) 2, 3 G) 2,4 H)2,5 I) 2,6 J) 2, 3 and 6 The diagram below is for two subatomic particles. What does the curve show? 1. The potential energy decreases as the objects get closer together. 2. The potential energy increases as the objects get closer together. Which two subatomic particles could this curve represent? 3. Two neutrons 4. Two electrons 5. One proton and one electron 6. Two helium atoms A) 1, 3 E) 2,3 B) 1,4 F) 2,4 C) 1,5 G) 2,5 D) 1,6 H) 2,6 PE r