Suppose you are riding your bike along a path that is also used by in-line skaters. you pass a skater, and another biker passes you, both going in the same direction you are going. you pass a family having a picnic on the grass. describe your motion from the points of view of the skater, the other biker, and the family.

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.