4 57 Figure 4 115 shows a boy on a horizontal platform A on

Last updated: 6/25/2023

4 57 Figure 4 115 shows a boy on a horizontal platform A on a smooth horizontal surface holding a rope attached to a box B Boy pulls the rope with a constant force of 50 N The combined mass of platform A and boy is 250 kg and that of box B is 500 kg The velocity of A relative to the box B 5 s after the boy on A begins to pull the rope will be TA A 1 m s C 2 m s goodley AE Figure 4 115 B B 1 5 m s D 0 5 m s orig 30 A C 4 0 ba ORE he de ce th