# Physics p2 equations and formulas

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Formula for charge
Charge = Current x Time. Current measured in amps (A). Charge measured in coloumbs (C). Time measured in seconds (s)
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Potential difference formula
Potential Difference = Current x Resistance. Current measured in amps (A). Resistance measured in ohms (Ω) . Potential Difference measured in volts (V)
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Electrical Power formula
Electrical Power = Potential Difference x Current. Power measured in Watts (W). Potential Difference measured in volts (V). Current measured in amps (A).
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Energy Transferred formula
Energy Transferred = Current x Potential Difference x Time. Energy transferred measured in Joules (J)
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Speed formula
Speed = Distance/Time (note: (/) means divided by) Distance measured in metres (m). Time Measured in seconds (S) speed measured in m/s
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Acceleration formula
Acceleration = change in velocity/time taken
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weight and terminal velocity
weight = mass x gravitational field strength. Gravitational field strength 10 N/kg
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Force equation
Force= mass x acceleration
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momentum formula
Momentum (kg m/s) = Mass (kg) x Velocity (m/s)
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Work done formula
work done = force x distance moved in the direction of the force
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## Other cards in this set

### Card 2

#### Front

Potential Difference = Current x Resistance. Current measured in amps (A). Resistance measured in ohms (Ω) . Potential Difference measured in volts (V)

#### Back

Potential difference formula

### Card 3

#### Front

Electrical Power = Potential Difference x Current. Power measured in Watts (W). Potential Difference measured in volts (V). Current measured in amps (A).

### Card 4

#### Front

Energy Transferred = Current x Potential Difference x Time. Energy transferred measured in Joules (J)

### Card 5

#### Front

Speed = Distance/Time (note: (/) means divided by) Distance measured in metres (m). Time Measured in seconds (S) speed measured in m/s

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