Math Problem Statement
You throw the ball from a window that is 8.0 m above the ground, at an angle of 18∘ downward from the horizontal plane. How far from the wall of the house does the ball hit the ground, if its initial speed is 12.2 m/s ? Air resistance is not taken into account.
Solution
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Math Problem Analysis
Mathematical Concepts
Projectile Motion
Kinematics
Quadratic Equations
Formulas
Horizontal component of velocity: v_{0x} = v_0 * cos(θ)
Vertical component of velocity: v_{0y} = -v_0 * sin(θ)
Vertical motion equation: y = y_0 + v_{0y}t + (1/2)gt^2
Horizontal displacement: x = v_{0x} * t
Quadratic equation: at^2 + bt + c = 0
Theorems
Projectile Motion Equations
Quadratic Formula
Suitable Grade Level
Grades 10-12
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