Answer: A) 
Explanation:
The equation for the moment of inertia 
of a sphere is:
(1)
Where:
is the moment of inertia of the planet (assumed with the shape of a sphere)
is the mass of the planet
is the radius of the planet
Isolating from (1):
(2)
Solving:
(3)
Finally:
Therefore, the correct option is A.
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Answer:
C
Explanation:
Im not sure but I did somthing simalier
weight less on moon than on earth.
high on lift off - G force
low in orbit.
zero at a point between earth and moon
