Question

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

Answer 1

it takes 2 seconds

Answer 2

0 = -16t² + 0t + 64

16t² = 64 (Divide by 16)

t² = 4

t = 2

It takes 2 seconds.

Hope this helps