<p>Well UCBalumnus, I guess that you have a higher level of patience than I do. LOL. Last year I spent many minutes online trying to decipher this particular textbook requirement for Lake Jr. “Fundamental Of Physics Vol 1. Chapter 1-20 by Halliday.” You will find that there are numerous editions/versions of this book and similar others written by the author. Frankly, it took awhile for me to figure it out.</p>