Equations Flashcards
(32 cards)
1
Q
Voltage, Current, Resistance
A
V=IR
2
Q
Current, Time, Charge
A
Q=It
3
Q
Current, Voltage, Power
A
P=IV
4
Q
Energy, Charge, Voltage
A
E=QV
5
Q
Energy, Power, Time
A
E=Pt
6
Q
Ohm’s Law
A
V=IR
7
Q
Mass, Acceleration, Force
A
F=Ma
8
Q
Density, Mass, Volume
A
D=M/V
9
Q
Velocity, Frequency, Wavelength
A
v=f*Lamda
10
Q
Distance, Time, Velocity
A
v=D/t
11
Q
Pressure, Area, Force
A
P=F/A
12
Q
Kelvin, Celcius
A
K=C+273
13
Q
Boyle’s Law
A
P1V1 = P2V2
14
Q
Word done, Distance, Force
A
WD=FD
15
Q
Law of reflection
A
i=r
16
Q
GPE
A
mgh
17
Q
Snell’s law
A
n1Sin(Ø1) = n2Sin(Ø2)
18
Q
Critical angle
A
Sin(c)=1/n
19
Q
KE
A
0.5mv^2
20
Q
Efficiency
A
Useful energy out/total energy in
21
Q
Weight, Gravitational field strength, mass
A
W=mg
22
Q
Acceleration
A
a=(v-u)/t
23
Q
Time period, Frequency
A
T=1/f
24
Q
Force, Extension (2)
A
F=kx or F=-kx
25
Refractive index
sin(i)/sin(r)
26
Equation for critical angle
Sin(c)=1/m
M refractive index
C critical angles
27
Orbital Speed
v=(2πr)/T
28
Moment
Moment = Fd
29
h g P ρ
P=ρgh
30
Braking distance (2)
1) Db=(0.5mv^2)/Fb
| 2) Db=0.5vt
31
Thinking distance
D=vt(thinking)
32
Stopping Distance
D(stopping)=D(thinking)+D(braking)
