The weather conditions outside are wet, stormy, and windy. Which front or system would most likely describe the atmospheric conditions present? Group of answer choices a cold front a warm front a low-pressure system a high-pressure system

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.

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?