Questions
The radii of two planets are respectively R1 and R2 and their densities are respectively and . The ratio of the accelerations due to gravity at their surfaces is
detailed solution
Correct option is D
Acceleration due to gravity g=43πρGR∴ g1:g2=R1ρ1:R2ρ2Talk to our academic expert!
Similar Questions
A uniform ring of mass M and radius r is placed directly above a uniform sphere of mass 8 M and of same radius R. The centre of the ring is at a distance of d = R from the centre of the sphere. The gravitational attraction between the sphere and the ring is
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