You should work all assigned problems successfully. When I collect an assignment, I will grade only a subset of the problems. (I select the problems to be graded BEFORE looking at your submissions.)

Page 40, problems:

• 1 (a,b)
• 2
• 3 (Prime denotes differentiation with respect to time.) Always use d notation instead of prime notation.
• 5
• 6 (a-d)
• 10
• 14
• 16