A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are d = 4.02 m to the north, d = 2.10 m northeast, and d3 = 1.18 m at 30.0 west of south (see the figure below). Starting at the same initial point, an expert golfer could make the hole in what single displacement? magnitude direction W- N S E d m north of east dy d 30.0 i