A balloon and a bicycle A balloon is rising vertically
Chapter 3, Problem 33E(choose chapter or problem)
Problem 33E
A balloon and a bicycle A balloon is rising vertically above a level, straight road at a constant rate of 1 ft/sec. Just when the balloon is 65 ft above the ground, a bicycle moving at a constant rate of 17 ft/sec passes under it. How fast is the distance s(t) between the bicycle and balloon increasing 3 sec later?
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