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MCAT Equations

List of equations from MCAT2015 Content Description

NOTE: This list focuses on equations specifically mentioned in the AAMC's MCAT2015 Content Description.

Newton's Second Law

F = ma

Work done by constant force

W = Fd cos θ

Kinetic energy

KE = ½mv2

Potential energy

PE = mgh (gravitational, local)
PE = ½kx2 (spring)

Hydrostatic pressure

P = ρgh

Pascal's law

ΔP = ρgΔh

Continuity equation

A•v = constant

Bernoulli’s equation

p + ρgy + ½ρv2 = constant

Ideal Gas Law

Pv = nRT

Boyle's Law

PV = constant

Charles' Law

V/T = constant

Avogadro's Law

V/n = constant

Coulomb’s Law

F = k (Q1Q2/r2)

Current

I = ΔQ/Δt

Ohm's Law

I = V/R

Resistivity

ρ = R•A/L

Photon energy

E = hf

Snell's Law

n1 sin θ1 = n2 sin θ2

Lens formula

1/d0 + 1/di = 1/f

Ionization of water

Kw = [H+][OH-] = 10-14 at 25°C, 1 atm

Nernst equation

E =  - (RT/nF) ln Q

Arrhenius Equation

k = Ae-Ae/RT

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