Superheated water vapor at 180 psia and 500f is allowed to cool at constant volume until the temperature drops to 250°f. at the final state, determine (a) the pressure (b) the quality, and (c) the enthalpy 55e). also show t-v diagram with respect to the saturation lines.

Explain what makes a passenger in a turning car slide toward the door. critical thinking

Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above

What is the difference between mass density and weight density?