# Physics equations

Kinetic Energy
1/2 x mass x velocity squared
1 of 18
GPE
mass x gravitational field strength x height
2 of 18
Elastic Potential Energy
1/2 x spring constant x extention squared
3 of 18
Specific Heat Capacity
Change in Thermal Energy/ Mass x Change in Temperature
4 of 18
Power (w)
Energy Transferred (j) / Time (s) OR Work Done (j) / Time (s)
5 of 18
Energy Efficiency
Useful power output / Total power input
6 of 18
Charge Flow
Current (a) / Time (s)
7 of 18
Resistance
Potential Differnence (v) / Current (a)
8 of 18
Potenial Difference in series
Vtotal= V1 + V2 + ...
9 of 18
Current in series
I1 =I2 = ...
10 of 18
Resistance in series
Rtotal = R1 + R2
11 of 18
Potential Difference in parallel
V1 = V2 = ...
12 of 18
Current in parallel
Itotal = I1 + I2 + ...
13 of 18
Resistance in parallel
1/TR = 1/R1 +1/R2
14 of 18
Energy Transferred
Power (w) x Time (s) OR Charge Flow x Potential Difference
15 of 18
Power (w)
Potential Difference (v) x Current (a) OR Current squared x Resistance
16 of 18
Density (kg/mcubed)
Mass / Volume
17 of 18
Latent Heat
Energy / Mass
18 of 18

## Other cards in this set

### Card 2

GPE

#### Back

mass x gravitational field strength x height

### Card 3

#### Front

Elastic Potential Energy

### Card 4

#### Front

Specific Heat Capacity

Power (w)

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