Concept explainers
Approximately find the time for the ball is in the air.
Answer to Problem 5CYP
Approximately 3.5 seconds the ball is in the air.
Explanation of Solution
Given:
If the goalie kicks the soccer ball with an upward velocity of 55 feet per second and his foot meets the ball 2 feet off the ground, approximately how long is the ball in the air?
Concept Used:
The
To find the time for the ball in the air, substitute:
Calculation:
The quadratic equation:
To find the time for the ball in the air, substitute:
Rewrite the equation:
Thus, approximately 3.5 seconds the ball is in the air.
Chapter 9 Solutions
Algebra 1
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