Rising Balloon 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 f/sec passes under How fast is the distance between the bicycle and balloon increasing 3 sec later (see figure)?

حسين صبر

Dec. 30, 2017, 6:06 p.m.

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