Posted by dreamygirl on Tuesday, May 15, 2012 at 7:25pm.
The weight of an object is the force on the object due to gravity. It is the product of the mass m of the object and the magnitude of the local gravitational acceleration g (depends on the distance from the center of the Earth R)
If g→0 (at R →∞) weight →0 (weightlessness)
G•m•M(Earth)/x² = G•m•M(Mars)/(d-x)².
where d is the distance between thwe centers of the Earth and Mars.
M(Earth)/x² = M(Mars)/(d-x)².
Solving for x we can find the distance from the center of the Earth where the atractions “lander- Earth” and “lander-Mars” are equal.
Mass doesn’t change.
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