10-06-2015
Mathematics

contestada

A ball is dropped from a treetop 64 feet above the ground. How long does it take to hit the ground? (s = 16t2)

Respuesta :

Annette15 Annette15

10-06-2015

0 = -16t² + 0t + 64

16t² = 64 (Divide by 16)

t² = 4

t = 2

It takes 2 seconds.

Hope this helps

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