Questions
An artificial satellite is moving in a circular orbit around the earth with a speed equal to the half of the escape velocity from the earth of radius r. The height of the satellite above the surface of the earth is
detailed solution
Correct option is C
mv2r=GmMr2or V=GMr…………(1)Given that v=12ve=122GMRor V=(GM2R)…………(2)From eqs. (1) and (2), we getGMr=GM2R or r=2RHeight from earth =2 R - R = RTalk to our academic expert!
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If there were a small alteration in gravitational force, then which of the following forces do you think would alter in some respect
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