[" Obtain an expression for the position vector of centre of mass of a system "n" particles in two "],[" dimension."]

Obtain an expression for the position vector of centre of mass of a system of n particles.

Obtain an expression for the position vector of centre of mass of a system of n particles in one dimension.

Obtain an expression for the position vector of centre of mass of a two particle system.

Define centre of mass of a system of particles.

Write an expression for the velocity of the centre of mass of a system of particles.

Derive an expression for the position vector of the center of mass of particle system.

Write an expression for position vector of centre of mass system of two paraticles lie on x-axis.

What is centre of mass of a body ? Obtain an expression for the positive vector of a centre of mass of two particle system.