De una misma estación salen, en el mismo instante, dos trenes, con velocidades constantes de 72 y 90 [km/h]. ¿Qué distancia separa ambos trenes luego de 2 horas de viaje si se mueven en la misma dirección ... a) ... Y en el mismo sentido de circulación?

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05-04-2021
Chemistry

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De una misma estación salen, en el mismo instante, dos trenes, con velocidades constantes de 72 y 90 [km/h]. ¿Qué distancia separa ambos trenes luego de 2 horas de viaje si se mueven en la misma dirección ... a) ... Y en el mismo sentido de circulación?

Sagot :

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Sebassandinidn Sebassandinidn · Answer 1 · 2021-04-06T20:19:35-04:00

Answer:

144 km y 180 km respectivamente.

Explanation:

¡Hola!

En este caso, dado que tenemos dos trenes con velocidades diferentes, es posible multiplicar la velocidad de cada tren por el tiempo común, con el fin the hallar la distance recorrida; es de entender, que a mayor velocidad, mayor distance ha de recorrer el tren:

[tex]d_1=72km/h*2h=144km\\\\d_2=90km/h*2h=180km[/tex]

Así, entendemos que el tren número 1 recorre 144 kilómetros, mientras que el tren número 2, 180 kilómetros.

¡Saludos!

Sagot :

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