How long would it take for an egg dropped from a helicopter to fall 256 feet to the ground? d=16t^2

Question

Valencia

Mathematics

7 October, 06:35

How long would it take for an egg dropped from a helicopter to fall 256 feet to the ground? d=16t^2

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Piper Zavala · Answer 1

Well the position function is:

h (t) = - 16t^2+256

It will hit the ground when h (t) = 0

-16t^2+256=0 factor out - 16

-16 (t^2-16) = 0 factor difference of squares ...

-16 (t+4) (t-4) = 0, since t>0

t=4 seconds