Alien beings on a spherical asteroid have observed that a large rock is approaching their asteroid in a collision course. At 2239 km from the center of the asteroid, the rock has a speed of 205 m/s and later at 2023 km from the center, it has a speed of 302 m/s.
Required:
Use energy conservation to find the mass of the asteroid. Neglect effects other than the gravitation interaction between the asteroid and the rock.
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