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P2 Equations

Speed (m/s) = distance ÷ time taken (s)

Acceleration (m/s2) = change in speed (m/s) ÷ time taken (s)

Distance travelled (meters) = Area under graph (velocity time graph)

Resultant force (newton, N) = mass (kg) × acceleration (m/s2)

Weight (N) = mass (kg) × gravitational field strength…

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(power is the measure of how quickly energy is transferred)

Power (watts) = current (amps) x potential difference (volts)

Charge (coulomb, C) = current (ampere, A) × time (second, s)

Energy transformed (joule, J) = potential difference (volt, V) × charge (coulomb, C)


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