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Question
question 5(1 point)
which pair of graphs represent the same motion of an object?
question 6(1 point)
a vector points 9 units east and another points 6 units north. what is the magnitude of the resultant vector?
Step1: Identificar las componentes del vector
Tenemos una componente en el eje x (este) de $x = 9$ unidades y una componente en el eje y (norte) de $y = 6$ unidades.
Step2: Aplicar la fórmula para la magnitud del vector resultante
La magnitud $R$ de un vector resultante con componentes $x$ e $y$ se calcula con la fórmula $R=\sqrt{x^{2}+y^{2}}$. Sustituyendo $x = 9$ y $y = 6$:
$$R=\sqrt{9^{2}+6^{2}}=\sqrt{81 + 36}=\sqrt{117}\approx 10.8$$
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c. 10.8 unidades