# Formulas and Symbols for all problems.

 Formula Symbol Units Mass m kg Velocity v m/s Distance d m/s Time t s Acceleration a m/s² Momentum p kg•m/s Force F kg•m/s² or N Work W J (joules) Potential Energy PE or GPE J (joules) Kinetic Energy KE J (joules) Thermal Energy Q J (joules) Density D g/cm³ Volume V cm³ Gravity g 9.8 m/s² Weight W N Pressure P atm Volume V ml or L Temperature T ºK # of moles n mol Frequency ƒ Hz Wavelength ? m Power P kW Resistance R ? (ohm's) Voltage V V (volts) Current I A (amps) Energy E kWh Avegadro's constant: 6.02 x 10 23 atoms Ideal gas constant: .0821 L•atm/ºK•mol Density D = m / v Velocity v = d / t Acceleration a = vf - vi / t Force F = m a Weight W = m g Momentum p = m v Work W = F d Potential Energy PE = m g h Kinetic Energy KE = 1/2 m v² Thermal Energy Q = m c ? T Frequency v =  ?ƒ Potential Difference V = I R Power P = I V Energy E = P t Boyle's Law P2V2 = P1V1 Charles Law V2 / T2 = V1 / T1 Avegadro's Law P2 / T2 = P1 / T1 Combined Gas Law P2 V2 / T2 = P1 V1 / T1 Ideal Gas Law PV = nRT Pascal's Principle P = F / A Change in Temperature ?T = Tf - Ti Change in Velocity ?v = vf - vi Change in Distance ?d = df - di Change in Momentum ?p = pf - pi Convert ºF to ºC ºC = ºF - 32 / 1.8 Convert ºC to ºF ºF = (1.8 x ºC) + 32 Convert ºC to ºK ºK = ºC + 273