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A particle is projected from point A that is at a distance 4R from the...

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A particle is projected from point A that is at a distance 4R from the centre of the earth with speed v in a direction making 30 with the line joining the centre of the earth and point A as shown The particle passes grazing the surface of the earth Consider gravitational interaction only between these two Find v in km sec GM use 6 4x107m s R THE NAR 4R D R A GROUP

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