" Particies of masses 100gram and "300" gram have position vectors "(2i+5j+13hat k)" and "(-6hat i+4hat j+2hat k)" .Position vector of their centre of mass is "

Particles of masses 100 and 300 gram have position vectors (2hat(i)+5hat(j)+13hat(k)) and (-6hat(i)+4hat(j)+2hat(k)) . Position vector of their centre of mass is

Particles of masses 100 and 300 gram have position vectors (2hat(i)+5hat(j)+13hat(k)) and (-6hat(i)+4hat(j)+2hat(k)) . Position vector of their centre of mass is

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 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 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.

Points A and B have position vectors (5hat i-2hat j+4hat k) and (hat i+3hat j-7hat k) then find |vec AB|

Two particle of masses 100g and 300 g at a given time have positions 2 hat(i)+5hat(j)+13 hat(k) and -6hat(i)+4hat(j)-2hat(k) m respectively and velocities 10 hat(i)-7hat(j)-3hat(k)and 7 hat(i)-9hat(j)+6 hat(k) "ms"^(-1) respectively. Determine the instantaneous position and velocity of CM.