Questions
The minimum energy required to launch a m kg satellite from the Earth's surface in a circular orbit at altitude 2R, where R is the radius of earth is
detailed solution
Correct option is C
Total energy, E=12mv2−GmMr=GmM2r−GMmr=−GmM2rr=2R=R=3RE=GmM6R Potential energy =−GMmR Minimum energy required =16GMmR−−GMmR=56GMmR =56mgRTalk to our academic expert!
Similar Questions
A satellite moves around the earth in a circular orbit of radius r with speed v. If the mass of the satellite is M, its total energy is
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