The acceleration due to gravity on the surface of moon is 1.62 ms-2. The radius of Moon is 1740 km. Find the mass of moon.
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Answer:
g on moon = 1.6 m/s^2
Radius of moon = 1740 km
g = GM/R^2
1.6 = 6.67*10^-11*M/1740*1740
M = 4844160/6.67*10^-11 = 7.34*10^22
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