A 15-foot ladder is leaning against a mango tree. If the top of the ladder is sliding down the tree at the rate of 2 ft/sec, how fast is the bottom of the ladder being pulled away from the tree when the bottom of the ladder is 9 ft away from the mango tree? Oft/sec ft/sec ft/sec Oft/sec

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A: The speed of the balloon is dydt=20 ft/s2=VyThe distance between observer and launchingpoint, x=200…

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A:

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