Planet Roton has a mass of 4.0 × 1023 kg and a radius of 2.0 × 106 m. With what speed should a space probe be launched from the surface of Roton so as to achieve a maximum distance of 3.0 × 106 m from the center of Roton?
A)4.2 km/s
B)3.9 km/s
C)3.0 km/s
D)3.4 km/s
E)6.0 km/s

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The Answer of Planet Roton has a mass of 4.0 × 1023 kg and a radius of 2.0 × 106 m. With what speed should a space probe be launched from the surface of Roton so as to achieve a maximum distance of 3.0 × 106 m from the center of Roton?
A)4.2 km/s
B)3.9 km/s
C)3.0 km/s
D)3.4 km/s
E)6.0 km/s

Planet Roton Has a Mass of 4