SOLUTION: Foul ball. Suppose Charlie O達rian of the Braves hits a baseball straight upward at 150 ft/sec from a height of 5 ft.
Use the formula to determine how long it takes the ball to
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Question 287568: Foul ball. Suppose Charlie O達rian of the Braves hits a baseball straight upward at 150 ft/sec from a height of 5 ft.
Use the formula to determine how long it takes the ball to return to the earth.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Foul ball. Suppose Charlie O達rian of the Braves hits a baseball straight upward at 150 ft/sec from a height of 5 ft.
Use the formula to determine how long it takes the ball to return to the earth.
:
The formula: h = -16t^2 + 150t + 5
h = 0 when it hits the ground, so we have
-16t^2 + 150t + 5 = 0
Solve this using the quadratic formula; a=-16; b=150; c=5
:
You should get a positive solution: t = 9.4 seconds
:
looks like this
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