Gravitational Potential Energy: A certain spherical asteroid has a mass of is 4.65 × 1017 kg and a radius of 39,600 m. If a 150-kg object is dropped from rest at an altitude of 12,400 m above the surface of this asteroid, with what speed will it hit the surface? (G = 6.67 × 10-11 N ? m2/kg2)
A. 19.3 m/s
B. 22.7 m/s
C. 26.2 m/s
D. 18.2 m/s
E. 13.8 m/s
Answer: A
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