Question

calculate the value of 'g' wt height of 3 times to radius of earth​

Answer 1

g'= Gm/(R+h)²

h= 3R

g' = Gm/(R+3R)²

g' = Gm/16R² and g = Gm/R²

thus, g' = g/16.

So the value of g decreases by 16 times at a height equal to 3 times the radius of earth