Physics, 17.09.2021 16:10, hisachokdee
A rocket must be moving at least 11.2 km/s to break earth’s gravity. If a rocket starts from rest on the launchpad, what would best describe the motion it needs in order to reach orbit? (Space is 2000km from the surface of the planet).
A)The rocket would have to have constant velocity for the entire trip.
B)The rocket must accelerate until it is traveling 11.2 km/s, in at least 2000km.
C)The rocket will need to decelerate rapidly
D)The rocket must make the trip in at least 5 minutes
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