SOLUTION: Amir pitched a baseball at an initial height of 5.9 feet with a velocity of 73.16 feet per second. About
how long will it take the ball Amir pitched to hit the ground?
a) 4.6
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Question 631778: Amir pitched a baseball at an initial height of 5.9 feet with a velocity of 73.16 feet per second. About
how long will it take the ball Amir pitched to hit the ground?
a) 4.66 seconds
b) 2.94 seconds I assume he pitched the ball horizontally.
c) 2.35 seconds
d) 1.47 seconds
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Amir pitched a baseball at an initial height of 5.9 feet with a velocity of 73.16 feet per second. About
how long will it take the ball Amir pitched to hit the ground?
---
Height is zero when the ball hits the ground.
Solve: -16t^2+73.16t + 5.9 = 0
----
t = [-73.16 +- sqrt(73.16^2 - 4*-16*5.9]/(2*-16)
---
t = 4.65 seconds
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Cheers,
Stan H.
==================
a) 4.66 seconds
b) 2.94 seconds
c) 2.35 seconds
d) 1.47 seconds
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