Elon Musk in his SpaceX rocket gets lost on his way to Mars. He
finds himself on an unknown planet. Elon estimates that the planet
has radius R and gravitational acceleration a. Calculate the mass
of the unknown planet. Let: R = 8.74 × 106 m a=5.11 m/s2 G = 6.67 ×
10-11 N.m2/kg2
Elon Musk in his SpaceX rocket gets lost on his way to Mars. He finds himself on an unknown planet. Elon estimates that
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