Una soga, en la que en un instante dado existen 163 N de tensión, sube verticalmente una cubeta de 12.0 kg. ¿Cuál es la aceleración de la cubeta? ¿Es hacia arriba o hacia abajo?

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?

Why do different substances have diffrent properties