A space vehicle, of mass 505 kg, experiences a gravitational force (pull) from Earth of 258 N.
The mass of Earth is 5.98 x 10^24 kg. Radius of the Earth = 6.38 x 10^6 m, G = 6.67 x 10^-11 N-m2/kg2
a) How far is the vehicle from the center of the Earth?
b) How far is the space vehicle above the surface of the Earth?
PD: explanation with units, please.
Hope it helps.
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