A Certain Spherical Asteroid Has a Mass of Is 4

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

Correct Answer:

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