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  • At what height the gravitational field reduces by the gravitational field at the surface of earth?  <di

At what height the gravitational field reduces by 75% the gravitational field at the surface of earth?
 

Option: 1

\mathrm{R}


Option: 2

\mathrm{2R}


Option: 3

\mathrm{3R}


Option: 4

\mathrm{4R}


Answers (1)

best_answer

\mathrm{\left(g-\frac{3 g}{4}\right)=\frac{g R^2}{(R+h)^2} }

\mathrm{\Rightarrow h=R }

Hence option 1 is correct.



 

Posted by

himanshu.meshram

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