Planet Venus has a radius of …
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Meghna Thapar 5 years, 2 months ago
Let the mass of earth be M
Let the radius of earth be R
Therefore, mass of planet = M/9
and radius of planet = R/2
Value of g on earth = GM/R^2
Therefore, value of g on planet g’ = GM/9(R/2)^2 = 4GM/9R^2
So, g’ = 4g/9
Weight of body on earth = 9 N = mg
Therefore, Weight of body on that planet = 4mg/9 = 4*9/9 N = 4 N
Therefore, required weight on that planet is equal to 4 N.
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