45. Four members of the Main Street Bicycle Clubmeet at a certain intersection on Main Street. The members then start from the same location, but travel in different directions. A short time later, displacement vectors for the four members are: A: 2.0 km, east; B = 5.2 km, north; C = 4.9 km, west; 5 = 3.0 km, south What is the resultant displacement R of the members of the bicycle club: I? = X + B + C + 1)"? A) 0.8 km, south B) 0.4 km, 45 south of east C) 3.6 km, 37 north ofwest D) 4.0 km, east E) 4.0 km, south