¿a que velocidad debe circular un auto de carreras para recorrer 50km en un cuarto de hora?

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Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.