Math Problem Statement
A ball is thrown straight upward from the top of a 25 m high building with a speed of 15 m/s. A: how long does it take for the ball to reach the ground.
Solution
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Math Problem Analysis
Mathematical Concepts
Kinematics
Quadratic Equations
Projectile Motion
Formulas
y(t) = y_0 + v_0t - (1/2)gt^2
Quadratic formula: t = (-b ± √(b² - 4ac)) / 2a
Theorems
Quadratic Formula
Suitable Grade Level
Grades 10-12
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