Question

Two Person A and B of mass 50 kg and 70 kg
respectively stand facing each other 6 meters
away from each other. They pull on a light rope
stretched between them. How far has each moved
when they meet?​

Answer 1

Answer:

$Here no any external force is applied taking two stakers A and B as a system.then center of mass of both stakers will not change therefore they meat at center of mass, taking axis as shown in figure 1.X com​ = 50+7050×0+70×6​ = 12070×6​ =3.5m from 50kg sketers.X com​ = X-coordinate of center of mass.So A mover 3.5cm B mover (6 - 3.5) = 2.5m$

Explanation: