To find: The initial velocity when the ball reaches maximum height after
Answer to Problem 3CA
The initial velocity is 28 feet per second.
Explanation of Solution
Given information: The function
Formula used: The x- coordinate of vertex
Calculation:
The ball reaches its maximum height after
From the given function, the ‘a’ is -16 and b is
Plug in the value of a, b into the formula to find value of
Cross multiply the equation,
Divide both sides by -8.
Hence, the initial velocity
Chapter 8 Solutions
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