Applications of Quadratic Functions
Key Questions
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The height
H of a projectile above the ground aftert seconds is given by the formulaHt=−12⋅g⋅t2+V0⋅t+H0 ,
whereg is a physical constant (gravitational acceleration≈9.8ms2 ),Vo is the initial velocity andH0 is the initial height.We notice that this is a quadratic equation of variable
t .