Section 12-1. Geometric Representation of Vectors. Vectors.
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Geometric Representation of Vectors
k(v + w) = kv + kw
(k + m)v = kv + mv
k(mv) = (km)v Associative law
9. A ship travels 200 km west from port and then 240 km due south before it is disabled. Illustrate this in a vector diagram. Use trigonometry to find the course that a rescue ship must take from port in order to reach the disabled ship.