pls ans 10th question
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g = G M / r^2
here g is inversely proportional to the square of r
so if g increase by 4 times if we reduce the radius of the earth half
g' = GM / ( r / 2 )²
g' = G M / (r / 4 )
g' = 4 G M / r²
g' = 4 g
_____________________________________________________#Lutz__
here g is inversely proportional to the square of r
so if g increase by 4 times if we reduce the radius of the earth half
g' = GM / ( r / 2 )²
g' = G M / (r / 4 )
g' = 4 G M / r²
g' = 4 g
_____________________________________________________#Lutz__
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