SOLUTION: At the national spitting competition contestants were lined up on top of a tall building. The winning projectile was projected off the top of the building in a trajectory defined b

Question 1162411: At the national spitting competition contestants were lined up on top of a tall building. The winning projectile was projected off the top of the building in a trajectory defined by the equation where height(h) in metres and time (x) in seconds. h=-4.9(x-3)^2 + 82

a) What is the maximum height above the ground that the projectile reached?

b) How long did it take to reach the maximum height?

c) Find the height of the building.

d) How long was the projectile in the air before it hit the ground?
(Nearest 10th of a second)(Hint: substitute h=0)

Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.

The post and the formula together make absurdist problem.

Double check your post, as it appeared at the forum.

RELATED QUESTIONS
Use the function h(t)=-16t^2+v0t+s A projectile is launched from a building 256 feet... (answered by Alan3354,stanbon)

At a recent baseball tournament sixteen teams were competing for the championship. If one (answered by Fombitz)

In a cooking competition, 6 out of 10 contestants are females. In how many ways can one... (answered by Alan3354)

theo looking up at a building in the distance. the angle of elevation to the top of the... (answered by ikleyn)

A man 1.5 m tall is on the top of a building .He observes a car on the road at an angle... (answered by mananth)

15 gymnasts are competing in a national competition and will be ranked from 1 to 5 top... (answered by Edwin McCravy)

jeffs eyes are 180 centimeters above the ground. He is looking up at the top of a... (answered by josgarithmetic)

I am standing 200ftaway from the base of a building . I look up at an angle of 75 degrees (answered by Alan3354)

6. Abby is standing at the top of a very tall skyscraper and looking through a telescope... (answered by mananth)