51 - Mechanics Part 2 Questions Answers

how far from earth we can see earth as a whole elliptical?{we can clearly see the earth

 

Asked By: SAHIL KUMAR
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Joshi sir comment

 

for getting the complete vision we should draw tangents at the extreme of major and minor axis of the earth, this will give a point of intersection for which height from centre of earth will be R√2 so height from earth surface will be R√2 - R = R(√2-1)

here R is used for radius of earth

This is approximate calculation only 

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