###
v = ½v = ½at

Average Velocity

###
d = d0 + v0t + ½at2

Distance

###
Fnet = ma

Newton's Second Law

###
F2 = -F1

Newton's Third Law

###
a = v^2/r

Centripetal Acceleration

###
F = Gm1m2/r^2

Newton's Law of Gravity

###
T^2/r^3

Kepler's Third Law

###
T^2/r^3 = 4π^2/Gm

Kepler's Third Law--Extended

###
KE = 1/2 mv^2

Kinetic Energy/Work

###
PE = mgh

Potential Energy/Work for Gravity

###
PE = 1/2 kx^2

Potential Energy/Work for a Spring

###
F = -kx

Force of a Spring

###
ME = PE + KE

Mechanical Energy

###
T = 2π(1/g)^1/2

Period of a Pendulum

###
Fnet = m(Δv/Δt)

Newton's Second Law

###
Fnet = Δp/t

Newton's Second Law

###
impulse = FΔt = Δp

Impulse

###
p2 = -p1

Conservation of Momentum

###
ω = θ/t

Velocity of Rotational Motion

###
ω = ω0 + αt

Velocity of Rotational Motion

###
α = Δω/t

Acceleration of Rotational Motion

###
θ = ω0t + (1/2)αt^2

Displacement of Rotational Motion

###
I = mr^2

Rotational Inertia

###
τnet = Iα

Newton's Second Law

###
L = mr^2ω

Angular Momentum

###
KE = (1/2)Iω^2

Kinetic Energy of Rotational Motion

###
I1ω1 = I2ω2

Conservation of Momentum

###
F = kq1q2/r^2

Electrostatic Force

###
ΔPE = qΔV

Electrostatic Potential

###
ΔV = ΔPE/q

Electric Potential

###
ΔV = Ed

Electric Potential

###
R = V/I

Electric Resistance

###
ε = IR

Electromotive Force

###
P = εI

Power of Electricity

###
P = I^2*R

Power of Electricity

### Please allow access to your computer’s microphone to use Voice Recording.

## We can’t access your microphone!

### Click the icon above to update your browser permissions and try again

Example:

### Reload the page to try again!

Reload

## Press Cmd-0 to reset your zoom

## Press Ctrl-0 to reset your zoom

### It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

## Your microphone is muted

### For help fixing this issue, see this FAQ.