A 15.0 kg rocket is to be launched vertically from the surface of a planet with mass 6.50×1023 kg, a radius of 3.50×106 m, and no atmosphere. With what initial kinetic energy (J) should the rocket be launched for it to reach a maximum height of 7.50×106 m? 4.87×108 8.33×108 9.91×107 2.27×108 1.28×108 4.04×108 5.15×108 2.89×108 3.12×108 3.76×108
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