Math Problem Statement
Solution
To solve for the maximum height reached by the ball, we need to analyze the given equation for height, which is:
This is a quadratic equation of the form:
where , , and .
Step 1: Find the time at which the ball reaches its maximum height
In a quadratic equation, the maximum (or minimum) value occurs at . Using this formula:
Step 2: Substitute into the height equation to find the maximum height
Now, we substitute into the equation :
Conclusion:
The maximum height reached by the ball is 20.3 meters, to the nearest tenth.
Would you like further clarification on any of the steps?
Here are 5 related questions:
- How do we know that this quadratic equation has a maximum and not a minimum?
- What happens to the ball's height after it reaches its maximum?
- How can we find when the ball hits the ground using this equation?
- How would the height equation change if the initial velocity were different?
- How do air resistance and gravity influence the motion described by this equation?
Tip: In quadratic functions, if the coefficient of is negative, the function has a maximum value; if it's positive, it has a minimum.
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Math Problem Analysis
Mathematical Concepts
Quadratic Equations
Vertex of a Parabola
Kinematics
Formulas
h(t) = -2t^2 + 12t + 2.3
t = -b / 2a for the vertex of a parabola
Theorems
Vertex formula for parabolas
Suitable Grade Level
Grades 9-12
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