A bike travels at 3.0 m/s, and then accelerates to a speed of 8.5 m/s in a time of 2.5 seconds. The average acceleration of
the bike is
m/s2

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.

Drag each item into the proper state of matter category.

Which of the following is an example of motion in two dimensions?