The figure shows the positions and velocity of two particle. If the paritcle move under the mutual attraction of each other, then the position of centre of mass at `t = 1 s` is :-

Figure shows position and velocities of two particles moving under mutual gravitational attraction in space at time t = 0 . The position of centre of mass after one second is '"*"'m . Fill "'*"' .

Figure shows position and velocities of two particles moving under mutual gravitational attraction in space at time t = 0 . The position of centre of mass after one second is '"*"'m . Fill "'*"' .

Figure shows position and velocities of two particles moving under mutual gravitational attraction in space at time t = 0 . The position of centre of mass after one second is '"*"'m . Fill "'*"' .

At t = 0 , the positions and velocities of two particles are as shown in the figure. They are kept on a smooth surface and being mutually attracted by gravitational force. Find the position of centre of mass at t = 2s . .

At t = 0 , the positions and velocities of two particles are as shown in the figure. They are kept on a smooth surface and being mutually attracted by gravitational force. Find the position of centre of mass at t = 2s . .

At t = 0 , the positions and velocities of two particles are as shown in the figure. They are kept on a smooth surface and being mutually attracted by gravitational force. Find the position of centre of mass at t = 2s . .

Two particles of mass M and 2M are at a distance D apart. Under their mutual force of attraction they start moving towards each other. The acceleration of their centre of mass when they are D/2 apart is :

Two particles of mass M and 2M are at a distance D apart. Under their mutual force of attraction they start moving towards each other. The acceleration of their centre of mass when they are D/2 apart is :

Two particles P and Q move towards with each other from rest with the velocities of 1 and 20 ms^(-1) under the mutual force of attraction. The velocity of centre of mass is