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# What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?

What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth? 27. ssm Mars has a mass of 6.46 10 23 kg and a radius of 3.39 10 6 m. (a) What is the acceleration due to gravity on Mars? (b) How much would a 65-kg person weigh on this planet?