When calculating weights away from Earth's surface, for example:
At 6.38x10^3 km away from Earth's surface a spacecrafts weight is d=rE+rE
Then F=(1/4)(SpaceCraftWeight)
Why is the distance 2rE?
At 6.38x10^3 km away from Earth's surface a spacecrafts weight is d=rE+rE
Then F=(1/4)(SpaceCraftWeight)
Why is the distance 2rE?