City A lies 30 km directly south of city B. A bus, beginning at city A travels 50 km at 37° north of east to reach city C. How far and in what direction must the bus go from city C to reach city B?   A) 20 km, east   B) 40 km, east   C) 20 km, west   D) 40 km, west

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.