Equations Flashcards
1
Q
kinetic energy - 0.5
A
0.5 x mass x (speed)2
2
Q
GPE - mass
A
mass x gravitational field strength (g) x height
3
Q
power 1 - work done
A
work done / time
4
Q
efficiency - useful output
A
useful output energy transfer / total input energy transfer
5
Q
charge flow - current
A
current x time
6
Q
potential difference - current
A
current x resistance
7
Q
energy transferred 1 - power
A
power x time
8
Q
density - mass
A
mass / volume
9
Q
power 2 - energy
A
energy transferred / time
10
Q
power 4 - (current)2
A
(current)2 x resistance
11
Q
energy transferred 2 - charge flow
A
charge flow x potential difference
12
Q
Total resistance - resistance 1
A
resistance of component 1 + resistance of component 2
13
Q
Wave speed - frequency
A
frequency x wavelength
14
Q
Weight - mass
A
mass x gravitational field
15
Q
Work done - force
A
Force x distance
