Two spherical bodies having masses M and 3 M and radii r and

Last updated: 6/25/2023

Two spherical bodies having masses M and 3 M and radii r and 4r respectively are released in free space from rest such that the initial separation between their centres is 13 r If only force is gravitational attraction the distance covered by the smaller body just before collision is 1 6r 2 2r 3 13r 4 4 39r