Using a Quadratic Equation Problems
A ball is thrown vertically upward from the top of a building 112 feet tall with an initial velocity of 96 feet per second. The distance s (in feet) of the ball from the ground after t seconds is
s (t) = 112 + 96t - 16t2
Complete the table and discuss the interpretation of each point.
t s(t) Interpretation
0
0.5
1
2
100
100
200
200
Answer these questions.
- After how many seconds does the ball strike the ground?
- After how many seconds will the ball pass the top of the building on its way down?
- How long will it take the ball to reach the maximum height?
- What is the maximum height?