2 years ago

Un ascensor recibe 1200 calorías y realiza 2200 joules de trabajo ¿Cómo se puede medir la energía interna del sistema?

1 answer:

3 0

Solución: El problema indica que se le están suministrando 700 calorías de calor, eso quiere decir que Delta Q será positivo, por otra parte nos dice que al sistema se le aplicará un trabajo de 900 Joules, aquí el signo de Delta W tendrá que ser negativo, puesto que se la están aplicando al sistema.

Sabiendo ese análisis podemos dar solución al problema de la siguiente forma:

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