JEE Main | 2014GravitationHard
Question
Four particles, each of mass M and equidistant from each other, move along a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle is
Options
A.

B.

C.

D.

More Gravitation Questions
Calculate the mass of the sun if the mean radius of the earth′s orbit is 1.5 × 108 km and G = 6.67 × 10-...Masses and radii of Earth and Moon are M1, M2 and R1, R2 respectively. The distance between their centre is ′dR...The radius of earth is about 6400 km and that of mass is about 3200km. The mass of the earth is about 10 times of the ma...There is a concentric hole of radius R in a solid sphere of radius 2R. Mass of the remaining portion is M. What is the g...A double star is a system of two stars of masses m and 2m, rotating about their centre of mass only under their mutual g...




