Cooper Berkoff and John Thagard push a 40 kg couch 0.60 m forwards on a rough, flat floor with coefficient of kinetic friction 4x = 0.30. Cooper pushes with 80 N to the right, and John pushes with 75 N at a 22 angle above the x axis. Draw a force diagram. Determine the net work done on the couch over this distance. You'll need to find the force of friction fk first. (8 points) b) How fast would the couch move after 0.60 m if it was initially moving at 0.5 m/s? (4 points) c) After pushing 0.60 m, Cooper and John let go of the couch. The couch continues to move forwards (with the same Uk) until slowing to a stop. Draw a force diagram for this phase. Find the total distance traveled by the couch from its initial point until where it has slowed to a stop. fk will change for this part)