A satellite projected with speed √56 times of its escape speed from earth's surface. The initial speed of satellite is parallel to the surface of earth . The maximum distance from the satellite centre of earth will be :
A
3R
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B
6R
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C
5R
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D
None of these
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Solution
The correct option is B5R By angular momentum conservation, m√56VeR=mV0d and by energy conservation 12m56V2e+(−GMmRe)=12mV20+(−GMmd)