Math Problem Statement
Llancem una pedra, verticalment cap enlaire, amb una velocitat de 90 km/h. Calculeu a quina altura arribarà i quant de temps tardarà a tornar al punt de partida.
Solution
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Math Problem Analysis
Mathematical Concepts
Kinematics
Uniformly Accelerated Motion
Projectile Motion
Formulas
v_f^2 = v_0^2 - 2gh (Kinematic equation for maximum height)
v_f = v_0 - g t (Time to reach maximum height)
h = (v_0^2) / (2g) (Height calculation using initial velocity and gravity)
t_total = 2 * (v_0 / g) (Total flight time)
Theorems
Equations of motion under constant acceleration
Symmetry of projectile motion
Suitable Grade Level
Grades 10-12
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