The mean diameters of Mars and Earth are 6.9 X 103 km and
Chapter 13, Problem 31(choose chapter or problem)
The mean diameters of Mars and Earth are 6.9 X 103 km and 1.3 X 104 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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