Question

help me plz...solve this numerical.... gravitation chapter

Answer 1

Let,

=> Force = g = 600 N

&

=> Force = g' = 300 N

Now there is a Formula,


=> g' = g( 1- 2h/R) [ here R = Radius of Earth]

=> 300 = 600(1-2h/6400)

=> 300/600 = 6400-2h/6400

=> 1/2 = 6400-2h/6400

=> 6400/2 = 6400-2h

=> 3200 = 6400-2h

=> 3200-6400 = -2h

=> -3200 = -2h [ Both -ve sign will cancel eachother].


=> 3200 = 2h

=> 3200/2 = h

=> 1600 Km = h

=> h = 1600 Km



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