Formulas Flashcards
1
Q
Kinetic energy
A
Ек = 1/2 m v^2
2
Q
Gravitational potential energy
A
Ep = mgh
3
Q
Power
A
P=W/T
4
Q
Power
A
P=E/T
5
Q
Efficiency
A
Efficiency = useful/total
6
Q
Elastic potential energy
A
E= 1/2 k e^2
7
Q
Change in thermal energy
A
E=mc theta
8
Q
Charge
A
Q=IT
9
Q
Potential difference
A
V=IR
10
Q
Power
A
P=IV
11
Q
Power
A
P=I^2 R
12
Q
Energy
A
E=PT
13
Q
Energy
A
E=QV
14
Q
Density
A
p=M/V
15
Q
Thermal energy for a change in state
A
E=ml
16
Q
For a gas
A
PV = constant
17
Q
Weight
A
W=MG
18
Q
Work done
A
W=FS
19
Q
Force
A
F= KE (Sprint constant X extemsion)
20
Q
Moment of force
A
M=FD (force X perpindicular distance)
21
Q
Pressure
A
P=F/A
22
Q
Distance
A
S=VT
23
Q
Acceleration
A
A=Change in velocity/time
24
Q
Resultant force
A
F=MA ( massxacceleration)
25
Q
Momentum
A
P=MV
26
Q
Pressure
A
P=Hxdensityxgravitational field strength (g)