Math Problem Statement
A ball is thrown so that its height above the ground seconds after it has been thrown is given by the function (h)t=20t-4.9^2-2. After 3 seconds, the balls speed is
Solution
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Math Problem Analysis
Mathematical Concepts
Calculus
Differentiation
Velocity
Formulas
h(t) = 20t - 4.9t^2 - 2
Velocity formula: v(t) = dh(t)/dt
Speed = |v(t)|
Theorems
Derivative of a quadratic function
Suitable Grade Level
Grades 10-12
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