# Formulas for General Physics

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Gen. Phys. Formulas~

Speed

Acceleration

Velocity

Average Velocity

Distance

Net Force

### Fnet = ma

Newton's Second Law

### F2 = -F1

Newton's Third Law

Weight

### 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

Work

Power

### 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

Momentum

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

Linear Velocity

### θ = ω0t + (1/2)αt^2

Displacement of Rotational Motion

Torque

### I = mr^2

Rotational Inertia

### τnet = Iα

Newton's Second Law

Angular Momentum

Angular Momentum

Angular Momentum

### KE = (1/2)Iω^2

Kinetic Energy of Rotational Motion

### I1ω1 = I2ω2

Conservation of Momentum

### F = kq1q2/r^2

Electrostatic Force

Electric Field

Electric Charge

### ΔPE = qΔV

Electrostatic Potential

### ΔV = ΔPE/q

Electric Potential

### ΔV = Ed

Electric Potential

Current

Ohm's Law

### R = V/I

Electric Resistance

### ε = IR

Electromotive Force

### P = εI

Power of Electricity

### P = I^2*R

Power of Electricity

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