... for 2-d z polar coordinates r ϕ E Use of Calculus in Physics Methods from calculus are used in y physics definitions, and the derivations of equations and laws θ Physical meanings of calculus expressions: ... capacitors; determine voltage and current properties Key Equations and Concepts: CREDITS Author: Mark Jackson, PhD Chemical Physics M.A Physics, Harvard University BEHAVIOR OF LIGHT f f I Spherical ... direction b Scalar: Magnitude only, no direction Number and unit a Physical data, constants and equations have numerical values and units b A correct answer must include the correct numerical...