Two men A and B stand on a smooth plank; B is initially at the midpoint and A at the left end. They move so that B remains fixed with respect to ground until A meets B. Where do they meet?
Physics · Center of maas , Momentum and Collision · velocity and acceleration of center of mass,newton second law for system
Two men A and B stand on a smooth plank; B is initially at the midpoint and A at the left end. They move so that B remains fixed with respect to ground until A meets B. Where do they meet?

Options