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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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