yachtboy1917
12.08.2021 •
Mathematics
3. A rocket fired straight up is being tracked by a radar station 3 miles from the launching pad. If the
rocket is traveling at 2 miles per second, how fast is the distance between the rocket and the tracking
station changing at the moment when the rocket is 4 miles up? (Hint: The distance D in the illustration
satisfies D 2 = 9+ y 21
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