Describe the motion (including direction) for each of the time segments listed. [(Example) 20-24 seconds walking slowly back to origin 0-2 seconds]
A) 4-10 seconds _
B) 12-16 seconds _
C) 16-18 seconds _
D)18-20 seconds _
How fast is the object traveling from 16-18 seconds? _

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.