Question 4 1 pts
You want to cut a length of PVC pipe such that you can play a 298 Hz note. If you
wanted to have the tube closed on one end, what length should you cut it to? Give your
answer to two decimal places.

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.