Basic Momentum and Energy!! Note: Take East as the positive direction. A(n) 88 kg fisherman jumps from a dock into a 123 kg rowboat at rest on theWest side of the dock. If the velocity of the fisherman is 4.1 m/s to the West as he leaves the dock, what is the final velocity of the fisherman and the boat? Answer in units of m/s. so do i just do 88 times 4.1 and get 36.08 then do (88+123)v and get 211v then do 36.08=211v and solve for v??