TCC civil ufrgs

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TCC civil ufrgs 窓際のCBTといじめ

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MODELING REAL LIFE At a Civil War demonstration, a cannonball is fired into the air with an initial vertical velocity of 18 feet per second. The release point is 6 feet above the ground. The function $h= 16t^2 18t 6$ represents the height $h$ (in feet) of the cannonball after $t$ seconds. a. Find the height of the cannonball each second after it is fired. 1 second: ft, 2 seconds: ft, 3 seconds: ft, 4 seconds: ft, 5 seconds: ft, 6 seconds: ft, 7 seconds: ft, selvagemseconds: ft b. Estimate when the height of the cannonball is 18 feet. The cannonball is at a height of 18 feet after about seconds and about seconds. c. Using a graph, after how many seconds is the cannonball 18 feet above the ground? Round your answers to the nearest tenth of a second. The cannon ball is 18 feet above the ground after about seconds and about seconds.
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MODELING REAL LIFE At a Civil War demonstration, a cannonball is fired into the air with an initial vertical velocity of 18 feet per second. The release point is 6 feet above the ground. The function $h= 16t^2 18t 6$ represents the height $h$ (in feet) of the cannonball after $t$ seconds. a. Find the height of the cannonball each second after it is fired. 1 second: ft, 2 seconds: ft, 3 seconds: ft, 4 seconds: ft, 5 seconds: ft, 6 seconds: ft, 7 seconds: ft, selvagemseconds: ft b. Estimate when the height of the cannonball is 18 feet. The cannonball is at a height of 18 feet after about seconds and about seconds. c. Using a graph, after how many seconds is the cannonball 18 feet above the ground? Round your answers to the nearest tenth of a second. The cannon ball is 18 feet above the ground after about seconds and about seconds.
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