CLHS - AP Physics B Formulas 2012

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

v

v₀+at

x

x₀+v₀t+½at²

v₀²+2a(x-x₀)

∑F=Fnet

ma

Force of Friction

µN

Acceleration of a Circle

v²/r

Torque

rFsinθ

p

mv

J

F∆t=∆p

K

½mv²

∆Ug

mgh

W

F∆rcosθ

P

W/∆t

W

F∆rcosθ

Force of a Spring

-kx

Potential Energy of a Spring

½kx²

Period of a Spring

2π√(m/k)

Period of a Pendulum

2π√(l/g)

T

1/f

Fg

mg

Force Of Gravity (Universal)

-Gm₁m₂/r²

Potential Energy due to Universal Gravity

-Gm₁m₂/r

ρ

m/V

P

P₀+ρgh

Force of Buoyancy

ρVg

A₁v₁

A₂v₂

P+ρgy+½ρv²

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

∆l

αl₀∆T

H

kA∆T/L

P

F/A

PV

nRT=Nk(sub b)T

average Kinetic energy

3/2k(sub b)T

average speed

√(3RT/M)= √(3k(sub b)T-µ)

W

-P∆V

∆U

Q+W

e

|W/Th|

efficiency of carnot

Th-Tc/Th

P₁V₁/T₁

P₂V₂/T₂

v

n

c/v

n₁sinθ₁

n₂sinθ₂

sinθcritical

n₂/n₁

1/s (sub i)+1/s₀

1/f

M

h(sub i)/h₀=s(sub i)/s₀

f

R/2

dsinθ

x (sub m)

mλL/d

F

kq₁q₂/r²

E

F/q

E

kq₁/r²

potential energy of electric field

kq₁q₂/r= qV

V

k(q₁/r₁+q₂/r₂+...)

C

Q/V

C

ε₀A/d

potential energy of a capacitor

½QV=½CV²

average I

∆Q/∆t

R

ρl/A

V

IR

P (brightness as well as power)

IV

Cparallel

C₁+C₂+...

1/Cseries

1/C₁+1/C₂+...

Rseries

R₁+R₂+...

1/Rparallel

1/R₁+1/R₂+...

Force of Magnetism

qvBsinθ

Force of Magnetism

BIlsinθ

B

(µ₀/2π)(I/r)

magnetic flux (Φm)

BAcosθ

average ∈

-∆Φm/∆t

Blv

E

hf=pc

max K

hf-Φ

λ

h/p

∆E

(∆m)c²

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