Physics Reference Sheet
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1Physics Reference Sheet
Useful Equations (continued)
Useful Equations
d —
v = λf
v
=
speed
v
=
v
=
average velocity
av
av
t
λ
=
wavelength
d
=
displacement
f
=
frequency
t
=
time
v
v
c —
–
⎛ ⎞
f
i
E = hf = h
E =
energy
a
=
a
=
average acceleration
——
λ
av
av
⎝ ⎠
t
h
=
Planck’s constant
v
=
final velocity
f
f
=
frequency
v
=
initial velocity
i
c
=
speed of light
t
=
time
λ
=
wavelength
F = ma
F
=
net force
a
2
+ b
2
= c
2
m =
mass
a
=
acceleration
W = mg
W =
weight
m =
mass
g
=
acceleration due to gravity
Values of Physical Constants
m
m
1
2
———
F = G
F
=
force
2
g
=
9.8 m/s
2
d
G =
gravitational constant
– 11
2
2
G =
6.67 × 10
Nm
/kg
m
=
mass of first object
1
9
2
2
k
=
9.0 × 10
Nm
/C
m
=
mass of second object
2
– 34
h
=
6.63 × 10
Js
d
=
distance between the objects
8
c
=
3.00 × 10
m/s
q
q
1
2
F = k
F
=
force
——
2
d
Physical Quantities and Units
k
=
Coulomb’s constant
q
=
charge on first object
1
Quantity
Unit (abbreviation)
q
=
charge on second object
2
d
=
distance between the objects
electric charge
coulomb (C)
1
KE = –mv
2
KE =
kinetic energy
energy
joule (J)
2
m =
mass
force
newton (N)
v
=
speed
frequency
hertz (Hz)
PE = mgh
PE =
potential energy
m =
mass
length
meter (m)
g
=
acceleration due to gravity
mass
kilogram (kg)
h
=
height
temperature
degrees Celsius (
˚
C)
1
T =
T
=
period
—
f
f
=
frequency
time
second (s)
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