JEE Main & Advanced
JEE Main Paper (Held on 12-4-2019 Morning)
question_answer
A man (mass = 50 kg) and his son (mass = 20 kg) are standing on a frictionless surface facing each other. The man pushes his son so that he starts moving at a speed of \[0.70\,m{{s}^{-1}}\] with respect to the man. The speed of the man with respect to the surface is : [JEE Main Held on 12-4-2019 Morning]