7 Two boys are left in the middle of a frictionless floor A

Last updated: 6/26/2023

7 Two boys are left in the middle of a frictionless floor A boy of mass 20 kg gives a blow lasting for one millisecond of 100 kN to the other He himself will move with a velocity of a 1 ms b 0 5 ms d 0 005 ms 1 c 0 01 ms Ahody of mass 1 kg moving on a smooth horizontal surface with velocity 5 ms is to be brought