physics equations Flashcards
1
Q
Kinetic Energy
A
0.5 x mass x v squared
2
Q
Elastic potential energy
A
0.5 x spring constant x extension squared
3
Q
Gravitaional potential energy
A
mass x field strength x height
4
Q
power[1]
A
energy /time
5
Q
power[2]
A
work done/time
6
Q
Efficiency
A
useful/total energy
7
Q
charge flow
A
current x time
8
Q
Potential difference
A
current x resistance
9
Q
power[3]
A
pd x current
10
Q
energy transferred
A
power x time
11
Q
density
A
mass/volume
