Using the material in the beginning of the textbook (after the table of contents and before Chapter 1), find and report the following:
a. The meaning and dimensions of the symbol w_ƒ as used in this textbook
b. The equivalent of 1 Btu (a unit of energy) when expressed in Joules (J)
c. The definition of 1 lb_ƒ in terms of lb_m, ƒt, and s
d. The atomic weight and symbol for the element tungsten