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3) A car is towed using a force of 1400 N. The rope used to pull the car makes an angle of 25 with the horizontal. Find the work done in towing the car 1.5 km. Express the answer in joules (1J = IN . m) rounded to the nearest integer. (5 pts)Let u = 4i-4j+ 2k , v =3i +6j-2k and w =-2i+ j+ 3k . Find each of the following. (10 pts) a) u .v b) The cosine of the angle between u and v. c) projw (v) d) wxv e) comp. (v) 2) Find the volume of the parallelepiped with edges given by the vectors u = (2,3, -4), v = (2,0,5) and w =(-3, 1, -1) . (5 pts)