SOLUTION: A circus acrobat is shot out of a cannon with an initial upward speed of 50 ft/s. If the acrobat leaves the cannon 4 ft above the ground, how long will it take him to reach a net
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Question 852983: A circus acrobat is shot out of a cannon with an initial upward speed of 50 ft/s. If the acrobat leaves the cannon 4 ft above the ground, how long will it take him to reach a net that is 10 ft above the ground?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The equation is:
where is in seconds and is in feet
Note that when ,
as it should
------------------
You need to find when
)
Use the quadratic formula
----------------------------
sec
This is the answer I want, the other answer is the time
immediately after the cannon is fired:
------------------------
The acrobat hits the net 3 sec after the cannon fires
Here's the plot:
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