Physics 351 Homework 4 due on Feb. 21, 2019 1. Problem 3.3, page 90 2. Problem 3.6, page 92 3. Problem 3.9, page 95 4. Problem 3.10, page 97 5. Problem 3.20, page 107 6. Problem 3.21, page 107 7. Problem 3.25 (a)(b), page 108 8. Problem 3.25 (c)(d), page 108 9. Problem 3.28, page 113 10. Problem 3.36 (a), page 119