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 attration. The speed of each particle is

Four particles, each of mass M and equidistant from each other, move a

1.	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 attration. The speed of each particle is
Answer» `SQRT((GM)/(R))` `sqrt(2sqrt(2)(GM)/(R))` `sqrt((GM)/(R)(1+2sqrt(2)))` `(1)/(2)sqrt((GM)/(R)(1+2sqrt(2)))` Answer :D