Compare the weight of a person weighing 80 kg when he is on Mars and on Earth. The mass of Mars is 0.1 of the mass of the Earth

Compare the weight of a person weighing 80 kg when he is on Mars and on Earth. The mass of Mars is 0.1 of the mass of the Earth, and the radius of the planet is 0.53 of the radius of the Earth.

decision
Pm / Pz = mGMmR3 ^ 2 / mGM3Rm ^ 2: Pm / Pz = 0.1 // (0.53) ^ 2 = 0.36.

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