Math Problem Statement
Sebuah benda dilempar vertikal ke atas dengan kecepatan awal 40 m/s dari suatu tempat yang tingginya 45 m di atas tanah. Waktu yang dibutuhkan benda jatuh di tanah adalah......
Solution
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Math Problem Analysis
Mathematical Concepts
Kinematics
Quadratic Equations
Vertical Motion
Gravitational Acceleration
Formulas
h(t) = h_0 + v_0 t - 1/2 g t^2
Quadratic equation: ax^2 + bx + c = 0
Quadratic formula: t = (-b ± √(b² - 4ac)) / 2a
Theorems
Quadratic Formula
Equations of Motion
Suitable Grade Level
Grades 9-11
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