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Expert: Sherman D. - 7/6/2005


Question
The motion of a ball scooped by a field hockey player can be modeled by h=-16t^2, where t is the time in seconds and he is the height of the ball. Will the ball ever reach 22 ft?

Answer
h = -16t^2

22 = -16t^2
(-11/8) = t^2

t = sqrt(-11/8)

t = sqrt(-11/(4 * 2))

t = (1/2)sqrt(-11/2)

t = (1/2)(sqrt(-11)/sqrt(2))

t = (i/2)(1/2)(sqrt(22))
t = (i/4)sqrt(22)

So unless you typed your problem wrong, this problem will never even reach a height of 1 foot.

if you go to www.calculator.com, click on Graphing, then type in (-16)x^2 instead of h = -16t^2, you will see that graph won't even reach 1 foot, so i think you may have wrote something down wrong.  

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Sherman D.

Expertise

I can answer questions dealing in mathematics of all kinds except for Physics and Calculus, but i can answer questions in Pre-Calculus and Chemistry. I can also answer questions in Recipes of all kinds. I can find games cheats/walkthroughs, but i can`t find a specific game online or offline. I can also do history and recipes for alcoholic beverages.

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Mathematics, Recipes, History, and Games.

Education/Credentials
High School graduated. I graduated with honors, and i was in Beta Club for a year and a half.

Awards and Honors
Principle's list and A and B honor roll in high school only.

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