Example 9.7
Example 9.8
Example 9.9
Example 9.10
Example 9.11

Newton’s Cannonball: launch a cannonball at increasing speeds. Isaac Newton [Public domain], via Wikimedia Commons File:Principia1846-513.png

“Astrology is Bull” by Phil Plait is licensed under CC-BY 2.0 flic.kr/p/5P143U
Example 9.13