Mathematics, 02.08.2021 22:30, junkmailemail42

Un vehículo de carga de 33 toneladas pasa por el punto B a 50 km/h. Entonces comienza el descenso por una pendiente de 8.5 km de
longitud hasta una caseta de peaje en la posición P donde se espera
llegue a 5 km/h.
Considerando que el coeficiente de fricción entre el asfalto y las ruedas
es de 0.75, entonces calcule el trabajo neto en Joule que el freno motor
del vehículo debe generar para reducir la velocidad tal como se
propone.
a) Planteo de la ecuación de energía representativa al caso (15 pts)
b) Despeje, conversiones y manejo de unidades (8 pts)
c) Precisión del resultado (7 pts)

Answers: 3

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Un vehículo de carga de 33 toneladas pasa por el punto B a 50 km/h. Entonces comienza el descenso p...