Two bodies of masses 2 kg and 3 kg have position vectors `hat(i) + 2 hat (j) + hat(k) and -4hat(i)-3 hat(j) + 6 hat(k)` respectively. The centre of mass of this system has a position vector.

Two blocks of mass 1kg and 3 kg have position v ectors hat(i) + 2 hat(j) + hat(k) and 3 hat(i) - 2 hat(j) + hat(k) , respectively . The center of mass of this system has a position vector.

Two bodies of mass 1 kg and 3 kg have position vectors hat i+ 2 hat j + hat k and - 3 hat i- 2 hat j+ hat k , respectively. The centre of mass of this system has a position vector.

Two bodies of mass 1 kg and 3 kg have position vectors hat i+ 2 hat j + hat k and - 3 hat i- 2 hat j+ hat k , respectively. The centre of mass of this system has a position vector.

Two bodies of mass 1 kg and 3 kg have position vectors hat i+ 2 hat j + hat k and - 3 hat i- 2 hat j+ hat k , respectively. The centre of mass of this system has a position vector.

Two bodies of mass 1 kg and 3 kg have position vectors hat i+ 2 hat j + hat k and - 3 hat i- 2 hat j+ hat k , respectively. The centre of mass of this system has a position vector.

Two particles of mass 1 kg and 3 kg have position vectors 2 hat i+ 3 hat j + 4 hat k and -2 hat i+ 3 hat j - 4 hat k respectively. The centre of mass has a position vector.

Two bodies of masses 10 kg and 2 kg are moving with velocities 2 hat(i)-7 hat(j)+3 hat(k) and -10 hat(i)+35 hat(j)-3hat(j) ms^(-1) respectively. Find the velocity of the centre of mass of the system.

If position vectors of two points A and B are 3hat(i)- 2hat(j) + hat(k) and 2hat(i) + 4hat(j) - 3hat(k) , respectively then length of vec(AB) is equal to?

Show that the points whose position vectors are 5hat(i) + 5 hat(k), 2 hat(i) + hat(j) + 3 hat(k) and -4 hat(i) + 3 hat(j) - hat(k) are collinear.