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Consider a planet in some solar system which has a mass double the mass of the earth and density equal to the average density of the earth. An object weighing W on earth will weigha)Wb)2W c) W/2d) 2^1/3 W.....at the planet

Aditya , 8 Years ago
Grade 12th pass
anser 1 Answers
Riddhish Bhalodia

Last Activity: 8 Years ago

W = GmM/R^2 (the values on earth)

now on the planet
M_p = 2M
and density is same hence
M_p/(R_p)^3 = M/R^3
R_p = (cube root 2) * R

Thus the
W_p = [2/(cube root 4)]*W = (cuberoot 2)W => option d

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