Astrophysics with Crider

Here is the next set of homework problems. These are all (IMHO) relatively straight-forward. I would suggest starting on them and asking my question about them early, since Exam 2 will be on April 16.

HW 7 (due April 14): 19.8, 19.10, 22.8, 22.11, 23.4, 23.6