Planet Zero Has a Mass of 4

Multiple Choice

Planet Zero has a mass of 4.0 × 1023 kg and a radius of 2.0 × 106 m. A 10-kg space probe is launched vertically from the surface of Zero with an initial kinetic energy of 8.0 × 107 J. What maximum distance from the center of Zero is achieved by the probe?

A) 3.2 × 106 m
B) 4.0 × 106 m
C) 6.0 × 106 m
D) 5.0 × 106 m
E) 2.5 × 106 m