Question: a) Two people start walking from the same point. One walks east at 3kmh and the other walks northeast at 2kmh. How fast is the

a) Two people start walking from the same point. One walks east at 3kmh and the other walks northeast at 2kmh. How fast is the distance between the people changing after 20 minutes?.Hint: Make a sketch for a better understanding of the problem.[5]

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