The question: A grasshopper makes four jumps. The displacement vectors are (1) 27.0 cm due west (2) 23.0 cm, 35.0^{o} due south of west (3) 28.0 cm, 55.0^{o} south of east and (4) 35.0 cm, 63.0 ^{o} north of east. Find the magnitude and direction of the resultant displacement. Express the...