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Álvaro Antônio de Lacerda Rosário 2025-01-02 21:01:03 -03:00
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Física/1. Tópicos Fundamentais/Exercícios/Cinemática/Movimento uniforme e uniformemente variado.md
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@ -87,7 +87,20 @@ $\LARGE 141,22km/h = \dfrac{\dfrac{v_1 + v_2}{v_1 \cdot v_2}}{4}$
$\LARGE v_m = \dfrac{v_{m_{ida}} * t_{ida} + v_{m_{volta}} * t_{volta}}{t_{ida} + t_{volta}}$
$\LARGE v_m = \dfrac{2d}{t_{ida} + t_{volta}}$
$\LARGE v_{ida} = \dfrac{d}{t_{ida}}$
$\LARGE v_{ida} = \dfrac{d}{t_{ida}} \Rightarrow t_{ida} = \dfrac{d}{v_{ida}}$
$\LARGE v_{volta} = \dfrac{d}{t_{volta}} \Rightarrow t_{volta} = \dfrac{d}{v_{volta}}$
$\LARGE v_m = \dfrac{2d}{\dfrac{d}{v_{ida}} + \dfrac{d}{v_{volta}}}$
$\LARGE v_m = \dfrac{2}{\dfrac{1}{v_{ida}} + \dfrac{1}{v_{volta}}}$
$\LARGE v_m = \dfrac{2}{\dfrac{1}{72,4} + \dfrac{1}{68,82}}$
$\LARGE \dfrac{1}{v_m * 2} = \dfrac{1}{72,4} + \dfrac{1}{68,82}$
$\LARGE \dfrac{1}{v_m * 2} = \dfrac{68,82}{68,82 * 72,4} + \dfrac{72,4}{68,82 * 72,4}$
$\LARGE \dfrac{1}{v_m * 2} = \dfrac{68,82}{4982,568} + \dfrac{72,4}{4982,568}$
$\LARGE v_{volta} = \dfrac{d}{t_{volta}}$