Concept explainers
You are walking to a bus stop at a right-angle corner. You move north at a rate of 2 m/sec and are 20 m south of the intersection. The bus navels west at a rate of 10 m/ sec away from the intersection - you have missed die bus! What is die rate at which the angle between you and the bus is changing when you are 20 m south of the intersection and the bus is 10 m west of the intersection?
For the following exercises, refer to the figure of baseball diamond, which has sides of 90 ft.
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