Two gases that are in physical contact with each other consist of particles of identical mass. in what order should the images shown in figure 5 be placed to correctly discribe the changing distribution of kinetic energy among the gas particles? which group of particles has the highest temperature at any time? explain

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.