Your dog is running around the grass in your back yard. He undergoes successive displacements 3.46 m south, 7.96 m northeast, and 14.2 m west. What is the resultant displacement? (Take the +x direction to be east.)

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.