9. The function h(t) = -4.9t2+ 70t cản be used to model the height of a projectile with an initial velocity of 70 meters per second t seconds after it is fired. Approximately how many seconds after being fired will the projectile hit the ground? %3D 4.9
9. The function h(t) = -4.9t2+ 70t cản be used to model the height of a projectile with an initial velocity of 70 meters per second t seconds after it is fired. Approximately how many seconds after being fired will the projectile hit the ground? %3D 4.9
Chapter3: Functions
Section3.2: Domain And Range
Problem 60SE: The height h of a projectile is a function of the time t it is in die air. The height in feet for t...
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