CLHS - AP Physics B Formulas 2012

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All formulas needed for the AP Physics B exam, including some not on the formula sheet

∆E

(∆m)c²

∆l

αl₀∆T

∑F=Fnet

ma

1/Cseries

1/C₁+1/C₂+...

1/Rparallel

1/R₁+1/R₂+...

1/s (sub i)+1/s₀

1/f

A₁v₁

A₂v₂

Acceleration of a Circle

v²/r

average ∈

-∆Φm/∆t

average I

∆Q/∆t

average Kinetic energy

3/2k(sub b)T

average speed

√(3RT/M)= √(3k(sub b)T-µ)

B

(µ₀/2π)(I/r)

C

ε₀A/d

Cparallel

C₁+C₂+...

dsinθ

E

kq₁/r²

efficiency of carnot

Th-Tc/Th

F

kq₁q₂/r²

Force of a Spring

-kx

Force of Buoyancy

ρVg

Force of Friction

µN

Force Of Gravity (Universal)

-Gm₁m₂/r²

Force of Magnetism

qvBsinθ

Force of Magnetism

BIlsinθ

H

kA∆T/L

J

F∆t=∆p

M

h(sub i)/h₀=s(sub i)/s₀

magnetic flux (Φm)

BAcosθ

max K

hf-Φ

n₁sinθ₁

n₂sinθ₂

P

P₀+ρgh

P (brightness as well as power)

IV

P+ρgy+½ρv²

constant (P₁+ρgy₁+½ρv₁²=P₂+ρgy₂+½ρv₂²)

P₁V₁/T₁

P₂V₂/T₂

Period of a Pendulum

2π√(l/g)

Period of a Spring

2π√(m/k)

Potential Energy due to Universal Gravity

-Gm₁m₂/r

potential energy of a capacitor

½QV=½CV²

Potential Energy of a Spring

½kx²

potential energy of electric field

kq₁q₂/r= qV

PV

nRT=Nk(sub b)T

Rseries

R₁+R₂+...

sinθcritical

n₂/n₁

Torque

rFsinθ

V

k(q₁/r₁+q₂/r₂+...)

v₀²+2a(x-x₀)

W

F∆rcosθ

W

F∆rcosθ

x

x₀+v₀t+½at²

x (sub m)

mλL/d

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