Download FORMULA CHART for Grade 9

FORMULA CHART
for Grade 9-12 Science Assessment
in
change in
specific
) = ( mass
grams )( temperature )( heat )
m
v
Q = (m)(∆T)(Cp )
1
heat gained
or lost
D=
0
(
mass
volume
Centimeters
Density =
v=
d
t
v − vi
a= f
∆t
Momentum = mass × velocity
p = mv
4
Force = mass × acceleration
F = ma
5
Work = force × distance
W = Fd
6
P=
work output
× 100
work input
1
Kinetic energy = 2 (mass × velocity 2)
% efficiency =
8
W
t
WO
% =
× 100
WI
work
time
7
Power =
3
distance traveled
time
final velocity − initial velocity
Acceleration =
change in time
2
Speed =
9
Gravitational potential energy = mass × acceleration due to gravity × height
PE = mgh
10
Energy = mass × (speed of light) 2
E = mc 2
11
Velocity of a wave = frequency × wavelength
v = fλ
voltage
resistance
I=
V
R
Electrical energy = power × time
E = Pt
15
P = VI
14
Electrical power = voltage × current
13
Current =
12
mv 2
2
KE =
16
Constants/Conversions
speed of sound = 343 m/s at sea level and 20°C
19
1 cm 3 = 1 mL
18
c = speed of light = 3 × 10 8 m/s
17
g = acceleration due to gravity = 9.8 m/s 2
1 wave cycle/second = 1 hertz (Hz)
20
1 calorie (cal) = 4.18 joules
1000 calories (cal) = 1 Calorie (Cal) = 1 kilocalorie (kcal)
newton (N) = kgm/s 2
joule (J) = Nm
watt (W) = J/s = Nm/s
volt (V)
ampere (A)
ohm (Ω)
ACP Formulas and Constants
Physics Pre-AP
Semester 2, 2009-2010 (1502901)
Formulas
Waves
Work Function
v f
W  hf 0
f 
Circuits
1
T
V  IR
Light
nsubstance 
c
vsubstance
P  VI , P 
V2
2
, PI R
R
E  Pt
c f
Series Circuit
ni sini = nr sinr
V  V A  VB  VC  ...
Mirrors and Lenses
I  I A  I B  I C  ...
m
hi
d
 i
h0
d0
R  R A  RB  RC  ...
C  2f
Parallel Circuit
1
1 1


f d0 di
I  I A  I B  I C  ...
V  V A  VB  VC  ...
Law of Universal Gravitation
m m
Fg = G A 2 B
d
1
1
1
1



 ...
R R A RB RC
Coulomb’s Law
Constants
q q
Fe = ke A 2 B
d
c = 2.998 × 108 m/s
Einstein’s Equation
ke = 8.988 × 109 N·m2/C2
E  mc 2
h = 6.626 × 10–34 J·s
G = 6.673 × 10–11 N·m2/kg2