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A table of important constants and conversion factors for advanced placement (ap) physics c. It also includes a list of assumptions used in the exam and a list of equations for mechanics and electricity and magnetism. This resource is useful for students preparing for the ap physics c exam.
Typology: Cheat Sheet
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Proton mass,
27 m (^) p 1.67 10 kg
Neutron mass,
27 m (^) n 1.67 10 kg
Electron mass,
31 me 9.11 10 kg
Avogadro’s number,
23 1 N (^) 0 6.02 10 mol
Universal gas constant, R^ 8.31 J (mol K)<
Boltzmann’s constant,
23 k (^) B 1.38 10 J K
Electron charge magnitude,
19 e 1.60 10 C
1 electron volt,
19 1 eV 1.60 10 J
Speed of light,
8 c 3.00 10 m s
Universal gravitational
constant,
11 2 2 G 6.67 10 N m kg
<
Acceleration due to gravity
at Earth’s surface,
2 g 9.8 m s
1 unified atomic mass unit,
27 2 1 u 1.66 10 kg 931 MeV c
Planck’s constant, (^) h 6.63 10 ^34 J s< 4.14 10 ^15 eV s<
25 3
hc 1.99 10 J m< 1.24 10 eV nm<
Vacuum permittivity,
12 2 2 e 0 (^) 8.85 10 C N m
<
Coulomb’s law constant,
9 2 2 k 1 4 pe 0 9.0 10 N m< C
Vacuum permeability,
7 m 0 (^) 4 p 10 (T m) A
<
Magnetic constant,
7 k m 0 (^) 4 p 1 10 (T m) A
<
1 atmosphere pressure,
5 2 5 1 atm 1.0 10 N m 1.0 10 Pa
meter, m
kilogram, kg
second, s
ampere, A
kelvin, K
mole, mol
hertz, Hz
newton, N
pascal, Pa
joule, J
watt, W
coulomb, C
volt, V
ohm,
henry, H
farad, F
tesla, T
degree Celsius,
W electron volt,^ eV
Factor Prefix Symbol
9 10 giga^ G
6 10 mega^ M
3 10 kilo^ k
2 10
(^) centi c
3 10 milli^ m
6 10
(^) micro m
9 10
(^) nano n
12 10
(^) pico p
q 0
D 30
D 37
D 45
D 53
D 60
D 90
D
sin q 0 1 2 3 5^ 2 2 4 5 3 2 1
cos q 1 3 2 4 5^ 2 2 3 5^ 1 2^0
The following assumptions are used in this exam.
I. The frame of reference of any problem is inertial unless otherwise
stated.
II. The direction of current is the direction in which positive charges
would drift.
III. The electric potential is zero at an infinite distance from an isolated
point charge.
IV. All batteries and meters are ideal unless otherwise stated.
V. Edge effects for the electric field of a parallel plate capacitor are
negligible unless otherwise stated.
à (^) x à (^) x 0 a tx
2 0 0
x x Ãx t a tx
2 2 à (^) x à (^) x 0 2 ax x x 0
F F net a m m
(^) dp F dt
J F dt p
p mv
m
F f FN
E W F d r
K mÃ
dE P dt
P F v
D Ug mg D h
2 Ã (^) 2 ac w r
r
t
r F
t t a
(^) net
I I
2 I r dm Ç mr
2
i i cm i
m x x m
à rw
w
L r p I
K I w
w w 0 (^) at
2 0 0
q q w t at
a = acceleration
E = energy
F = force
f = frequency
h = height
I = rotational inertia
J = impulse
K = kinetic energy
k = spring constant
= length
L = angular momentum
m = mass
P = power
p = momentum
r = radius or distance
T = period
t = time
U = potential energy
v = velocity or speed
W = work done on a system
x = position
m = coefficient of friction
q = angle
t = torque
w = angular speed
a = angular acceleration
f = phase angle
F s k x
Us k D x
x x max (^) cos( wt f
f
p
w
s^2
m T k
p
Tp 2 g
p
1 2 2
G
Gm m F r
1 2 G
Gm m U r
2
1 2
0
4 pe
E
q q F r
q
e 0
E dA
x^
dV E dx
V E dr
0
4 pe
i
i i
q V r
1 2
0
4 pe
E
q q U qV r
k e 0 A C d
p i i
C s (^) i Ci
dQ I dt
r
r
I Nev A d
i
p^ i^ i
A = area
B = magnetic field
C = capacitance
d = distance
E = electric field
F = force
I = current
J = current density
L = inductance
(^) = length
n = number of loops of wire
per unit length
N = number of charge carriers
per unit volume
P = power
Q = charge
q = point charge
R = resistance
r = radius or distance
t = time
U = potential or stored energy
v = velocity or speed
r = resistivity
F = flux
k = dielectric constant
F M qv B
B d I
0
4 2
m
p
I d r dB r
F I d B
Bs m 0 nI
B B dA
d B E d dt
dI L dt