Two balls of masses 2M and 6M have radii 2R and 3R. Their centre of masses are separated by 10R. They move towards each other under their gravitational force. The distance moved by the centre of smaller sphere when the spheres touch each other is

Two balls of masses 2M and 6M have radii 2R and 3R. Their centre of ma

1.	Two balls of masses 2M and 6M have radii 2R and 3R. Their centre of masses are separated by 10R. They move towards each other under their gravitational force. The distance moved by the centre of smaller sphere when the spheres touch each other is
Answer» 5/4 R 7/2 R 10/3 R 15/4 R ANSWER :D