____ 2. If the escape speeds of the rockets are , , and , then

kinetic energy Separation gravitational potential energy 2. If the escape speeds of the rockets are VF, VG, and VH, then a) VF = = VH d) ) = VG but VH has no defined escape speed. e) the speeds cannot be compared with the information given. 3. Which of the following statements is true? a) H will rise to an altitude of 2rE above the Earth's surface and remain there. b) F and G will escape and have zero speed after escaping. c) Only F will escape, but it will have zero speed after escaping. d) Only F will escape and it will have nonzero speed after escaping.