If the mass of Mars is 0.107 times that of Earth, and its radius is 0.530 that of Earth, estimate the gravitational acceleration g at the surface of Mars. (gearth = 9.80 m/s2)
a. 2.20 m/s2
b. 3.73 m/s2
c. 4.20 m/s2
d. 5.50 m/s2
b
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