"Additional Problems" (AP) for Physics 101 homework assignments
1. AP I (Genes in a Virus; for HW 1)
2. AP II (Car Velocity Graph; for HW 2)
3. AP III (Toy Train; for HW 3)
4. AP IV (Free Fall Acceleration and the Roommate; for HW 4)
5. AP V (The Worker and the Cart; for HW 5)
6. AP VI (Pushing a Particle; for HW 6)
7. AP VII (Tom Sawyer and the Haystack; for HW 7)
8. AP VIII (The Ice-Skating Professor; for HW 8)
9. AP IX (Melting Ice Caps; for HW 10)
10. AP X (Neglected Gravity; for HW 12)
11. AP XI (Collision with a Spring; for HW 13)
12. AP XII (How High is the Sky?; for HW 14)