JEE Main 2019 Physics question

PhysicsGravitationJEE Main 2019

Two satellites, A and B, have masses m and 2m respectively. A is in a circular orbit of radius R, and B is in a circular orbit of radius 2R around the earth. The ratio of their kinetic energies, , is:

Answer: (D)

Solution

KE = GMm/(2r): .

Question ID VK-010201