`pPrinciples of Physics Text Chapter 18, Problems 1-5, 26-29

`gText Chapter 18, Problems 1-5, 8, 9, 10, 12, 26-29, 33, 39

`uUniversity Physics:  Chapter 25 Problems 56, 59, 62, 67, 72, 73 

`pPrinciples of Physics Text Chapter 20, Problems 1-6, 22, 25, 41, 42, 54

`gText Chapter 18, Problems 1-6,7, 12, 17, 22, 25, 30, 41-44, 54, 55, 61, 62