ADVANCED PLACEMENT PHYSICS C TABLE OF INFORMATION CONSTANTS AND CONVERSION FACTORS Proton mass, 1.67 10 kg 27 m p Neutron mass, 1.67 10 kg 27 m n Electron mass, 9.11 10 kg 31 m e Avogadro’s number, 23 1 N 0 6.02 10 mol Universal gas constant, R 8.31 J (mol K) < Boltzmann’s constant, 1.38 10 J K 23 k B Electron charge magnitude, e 1.60 10 C 19

AP Macroeconomics Formula Sheet: AP Macroeconomics Formulas and Definitions: Key Formulas 1. Rule of 70: Used to determine how many years it takes for a value to double, given a particular annual growth rate. For example, if you put $20,000 in the bank and it earns yearly interest of 7%, then it will take 10 years (70/7) for your income to ... 0117 Lecture Notes - AP Physics 1 Equations to Memorize.docx page 2 of 2 • ω f 2=ω i 2+2αΔθ&Δθ= 1 2 ω f +ω (i)Δt o These two Uniformly Angularly Accelerated Motion (UαM) equations were also, sadly, left off the equation sheet. •! v t =r! ω o The tangential velocity of an object. • v cm =Rω