jenny if flying a kite at a constant height above level group of 72m. The wind carriers the kite away horizontally at a rate 6m/s. how fast must jenny let out the string at the moment when the kite is 120m away form her?

Question

anonymous · Answer

using Pythagoras, i know that at 120m, the distance the kite has travelled is 96m horizontally

harsimran_hs4 · Answer

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find out the hypotenuse and say it`s c

the a^2 + b^2 = c^2
then differentiate wrt time and see what you get