# Physics Formula Chart Physics Pre AP Physics Formula Chart

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```					                Physics & Pre-AP Physics Formula Chart
(Equations surrounded by a box denote they are used by Pre-AP Physics only)

dt                          Vf  Vo                 w  mg
va                          a
t                             t
vf  v0  at                     T  1/ f                      J  Ft
d  v0t  1 at 2                    f  1/ T                   mv  Ft
2
t  2d / a           KE  1 mv 2                               p  mv
2
vf2  v0  2ad
2
F  ma                               W  Fd
m1v1o  m2v2o  m1v1 f  m2v2f                             Ff  Fn
Eff  (Wout / Win ) x100          Fd  mg sin                 Fn  mg cos
Gm1m2
PE mgh                         P W /t                  Fg 
d2
KEo  PEo  KEf  PEf                                     F  kx
Fc  mv 2 / r                   ac  v 2 / r                 Fc  ma c
2r
v                          L  LoT                  Q  mC p T
T
m
Q  mhf                       Q  mhv                   T  2
k
L
T  2               cos  adj         tan  opp
v  vo
sin   opp                v  f           f  fo
hyp                                 v  vs
1   1   1                  c
f  nv                                   n
2L          f do di                    v
dx            hi  d
n1 sin 1  n2 sin  2                         i m
L            ho d o
kq                 kq1q2                 F
F                   F                   E
d2                   d2                  qo

V 
W                    V                  q
E                  I
qo                   d                  t
1   1   1  1
       ...
V  IR                P  IV          Rt R1 R2 R3

N
Rt  R1  R2  R3 ...         AB            V
t
F  qvB                                   F  ILB
Physics Variables and Constant
Variable Pronounced        Means                       Unit or Value                     Abv
a     a (lower case)     acceleration                meters/second/second or m/s 2      m/s2
A     A (upper case)     area                        square meter - meter 2             m2
B     B (upper case)     magnetic field strength     Teslas                              T
Earth’s magnetic field
BE    B sub e                                        5.5X10-5 T                          T
strength
c     c (lower case)     speed of light              3X108 m/s                          m/s
C     Coulomb            Charge                      6.24X 1018 electrons
Cp    C sub p            specific heat               joules/kilogram degree celsius    J/kgoC
distance or
d     d (lower case)                                 meter                               m
displacement
di    d sub i            distance to image           meter                               m
do    d sub o            distance to object          meter                               m
E     E (upper case)     electric field              newtons/coulomb                    N/C
F     F (upper case)     force                       newtons
ƒ     f (lower case)     frequency                   Hertz (cycles or waves /second)    Hz
force in the direction of
Fd    F sub d                                        newton                              N
the ramp
Ff    F sub f            Force of friction           newton                              N
Force normal to the
Fn    F sub n                                        newton                              N
ramp
acceleration due to
g     g (lower case)                                 9.8 m/s2 on earth                  m/s2
gravity
universal gravitational     6.67X10-11 newton meter 2 /
G     G (upper case)                                                                   Nm2/kg
constant                    kilogram2
hf    h sub f            heat of fusion              joules/kilogram                    J/kg
hi    h sub i            heigth of image             meter                               m
ho    h sub o            height of object            meter                               m
hv    h sub v            heat of vaporization        joules/kilogram                    J/kg
I    I (upper case)     current                     amperes – coulomb/second            A
J    J (upper case)     impulse                     newtons/second                     n/s
k    k (lower case)     spring constant             newtons/meter                      n/m
k    k (lower case)     Coulombs constant           9..0X109 Nm2/C2
KE                       kinetic energy              joules                               J
L    L (upper case)     length                      meter                               m
m     m (lower case)     mass                        kilograms                           kg
m     m (lower case)     magnification               (none, scalar)
n    n (lower case)     number                      (none, scalar)
n    n (lower case)     index of refraction         (none, scalar)
p    p (lower case)     momentum                    kilogram meter/second             kgm/s
PE                       potential energy            joules                              J
Q     Q (upper case)     thermal energy              joules                              J
q    q (lower case)     amount of charge          coulomb                              C
qo   q sub o            test charge               1.60X10-19 coulombs                  C
r   r (lower case)     radius                    meter                               m
R    R (upper case)     resistance                ohms                                 Ω
t   t (lower case)     time                      seconds                              s
T    T (upper case)     period                    seconds                              s
v    v (lower case v)   velocity                  meters/second (m/s)                 m/s
V    V (upper case)     voltage                   joules/coulomb                       V
w    w (lower case)     weight                    newtons                              N
W    W (upper case)     work                      joules                               J
coefficient of linear
α    alpha                                        varies by material – m/Co
expansion
Δ    delta              change                    applies to the following variable
λ    lambda             wave length               meter                               m
μ    mu                 coefficient of friction   (none, scalar)
ratio of diameter to
π    pi                 circumference of a        3.14159…
circle
φ    phi                magnetic flux             tesla meter2 - Weber                Wb

```
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Jun Wang Dr
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