A sky laboratory of mass 2 xx 10^(3) kg ...

A sky laboratory of mass `2 xx 10^(3) kg` has to be lifted from one circular orbit of radius `2R` into another circular orbit of radius `3R`. Calculate the minimum energy required if the radius of earth is `R= 6.37 xx 10^(6) m` and `g= 9.8 ms^(-2)`

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The correct Answer is:

`1.04xx10^(10)J`

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