Radius of earth is around 6000 km . The weight of body at height of 6000 km from earth surface becomes

Options

A. half
B. one-fourth
C. one third
D. no change

Answer

b

Explanation

`(W_(2))/(W_(1))=((R)/(R+h))^(2)=((R)/(R+R))^(2)=(1)/(4)`
`W_(2)=(W_(1))/(4)=(W)/(4).`