1.

How much energy must be spent to pull the satellite in Q. No. 304 out of the earth's gravitational field?

Answer»

`(2GmM)/((R+h)^(2))`
`(GMM)/(2(R+h)^(2))`
`(2GmM)/((R+h))`
`(GmM)/(4(R+h))`

SOLUTION :`B.E.=(GmM)/(2(R+h))`


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