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Rapidez de caminata Dos niños, que están a 224 metros entre sí, empiezan a caminar uno hacia el otro en el mismo instante a un ritmo de \( 1.5 \mathrm{~m} / \mathrm{s} \) y \( 2 \mathrm{~m} / \mathrm{s} \), respectivamente (vea la figura). (a) ¿Cuándo se encontrarán? (b) ¿Cuánto habrá caminado cada uno?

Ask by Donnelly Ward. in Colombia
Mar 19,2025

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Los dos niños se encontrarán después de 64 segundos. El niño que camina a 1.5 m/s habrá caminado 96 metros, y el niño que camina a 2 m/s habrá caminado 128 metros cuando se encuentren.

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Para resolver la situación, primero sumemos las velocidades de los dos niños. El primer niño camina a \(1.5 \, \text{m/s}\) y el segundo a \(2 \, \text{m/s}\), así que la velocidad combinada es: \[ 1.5 \, \text{m/s} + 2 \, \text{m/s} = 3.5 \, \text{m/s} \] (a) Para encontrar el tiempo que tardarán en encontrarse, usamos la fórmula \( \text{tiempo} = \frac{\text{distancia}}{\text{velocidad}} \): \[ \text{tiempo} = \frac{224 \, \text{m}}{3.5 \, \text{m/s}} = 64 \, \text{s} \] (b) Ahora, calculamos cuánto habrá caminado cada uno. El primer niño: \[ \text{distancia}_1 = 1.5 \, \text{m/s} \times 64 \, \text{s} = 96 \, \text{m} \] Y el segundo niño: \[ \text{distancia}_2 = 2 \, \text{m/s} \times 64 \, \text{s} = 128 \, \text{m} \] Entonces, se encontrarán en 64 segundos, y el primer niño habrá caminado 96 metros, mientras que el segundo caminará 128 metros. ¡Un buen ejercicio para ambos!

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Physics Philippines Mar 19, 2025
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