The mean diameters of mars and earth are 6.9x103 km and 1.3x104 km, respectively. the mass of mars is 0.11 times earth's mass. (a) what is the ratio of the mean density (mass per unit volume) of mars to that of earth? (b) what is the value of the gravitational acceleration on mars? (c) what is the escape speed on mars?
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The mean diameters of mars and earth are 6.9x103 km and 1.3x104 km, respectively. the mass of mars i...
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