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A particle at a distance r from the centre of a uniform spherical planet of mass M radius R (ltr) has a velocity of magnitude v.A. for `0 lt v lt sqrt((GM)/r` trajectory may be ellipseB. for v `=sqrt((GM)/r` trajectory may be ellipseC. for `sqrt((GM)/r lt v lt sqrt((2GM)/r` trajectory may be ellipse.D. for v `=sqrt((GM)/r trajectory may be circle |
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Answer» Correct Answer - A::B::C::D Orbital speed `(v_(0))=sqrt(GM/R)` escapes speed `(v_(e))=sqrt((2GM)/R)` |
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