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If w(1) joule work is done against gravi...

If `w_(1)` joule work is done against gravitational attraction, to carry 10 kg mass from earth's surface to infinity. Then the magnitude of workdone by gravitational attraction in bringing 20 kg mass from infinity to the centre without any acceleration is `w_(2)`. Now if `w_(2)=n xx w_(1)`. Find the value of n.

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