A 6kg mass collides with a body at rest. After the collision, they travel together with a velocity one third the velocity of 6 kgmass.The mass of the secon body is

A 6kg mass collides with a body at rest. After the collision, they tra

1.	A 6kg mass collides with a body at rest. After the collision, they travel together with a velocity one third the velocity of 6 kgmass.The mass of the secon body is
Answer» 6 kg 3 kg 12 kg 18 kg Answer :C