Who sh*t on there dad this quarantine ?

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.

As the distance from a magnet increases, what happens to the magnet force?

Compare the patterns of the two waves shown in the image. which statement is true about these waves?