73 terms

# CLHS - AP Physics B Formulas 2012

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