A ball is dropped from the top of a 341-foot building. How many seconds will it take to hit the ground if the height is given by h = −16t 2 + s, where s is the initial height? Answer in units of sec.

Answer 1

h = height of the ball when it is dropped after t seconds

s = initial height of the ball, 341 ft.

t = time (in seconds)

h = -16t²+341

When the ball hits the ground, h = 0, after t seconds.

After you substitute these values, you will be left with one unknown, t.

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