Saturated liquid water at 10.0 mpa is throttled through a partially open valve (isenthalpic process) and discharged into a tank at a pressure 0.1 mpa adiabatically, aergonically, and without any change in its kinetic or potential energy. (note: when the pressure on saturated liquid water is suddenly reduced in an adiabatic aergonic, steady flow process, part of the initial liquid is very quickly converted into a saturated vapor at the lower pressure, with the vaporization energy (heat of vaporization) coming from the remaining liquid. the resulting vapor is called flash steam because the liquid appears to “flash” into a vapor as it expands into the low pressure region). determine:
the exit temperature of the flash steam
the amount of flash steam produced (quality)

which three statements are true about all alloys?

air exerts forces on falling objects near earth’s surface.

explanation:

the term 'free falls' refer to object that are falling towards the earth, in a situation in which gravity is the only force acting on the object.

for an object in free fall, the acceleration is constant (g, the gravitational acceleration), and so the velocity of the object constantly increases.

for objects near earth's surface, there is always another force acting on the object: the resistance due to the air. this force is opposed to the direction of fall of the object, and it is proportional to the velocity of the object, so as the object falls down, this force increases up to a point when it balances the force of gravity, and the object continues its motion at constant velocity (called terminal velocity). since in this case gravity is not the only force acting on the object, we are not in a situation of free fall.