Chambers Medina
06/07/2023 · Primary School

Un esquiador de 50 Kg es halado hacia arriba por una colina inclinada \( 6^{\circ} \) con respecto a la horizontal, mediante una cuerda unida a un motor paralela a la colina que le aplica una fuerza de 200 N . Si el coeficiente de rozamiento cinético esquiador - nieve es 0,2 yel esquiador parte del reposo; ¿cuál es la potencia desarrollada por el motor al cabo de 10 segundos? Seleccione una: a. \( P=5950 \mathrm{w} \) b. \( P=1025,4 \mathrm{w} \) c. \( P=2976 \mathrm{w} \) o d. \( P=2050 \mathrm{w} \) o e. \( P=103 \mathrm{w} \)

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La potencia desarrollada por el motor al cabo de 10 segundos es aproximadamente \( P \approx 1025.4 \, \text{W} \). La respuesta correcta es b. \( P=1025,4 \mathrm{w} \).

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