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Physics IGCSE Equations and Units Flashcards

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All the equations and units you need to know for double award Edexcel IGCSE Physics.

Terms : Hide Images
786168106Average SpeedTotal distance/total time
786168107Accelerationchange in velocity / time
786168108Forcemass x acceleration
786168109MomentForce x perpendicular distance
786168110Orbital speed2 x pi x r / time period
786168111Electrical PowerI x V
786168112Electrical EnergyI x V x t
786168113VoltageI x R
786168114Charge (Q)I x t
786168115Wave speedfrequency x wavelength
786168116frequency1 / T
786168117Refractive index (n)sin I / sin r
786168118Critical anglesin C = 1/n
786168119Efficiency(useful energy out/total energy in) x100
786168120WorkForce x distance
786168121GPEm x g x h
786168122KE1/2 x m x v2
786168123PowerWork done / time taken
786168124Densitymass/volume
786168125Pressureforce/area
786168126pressure differenceheight x density x g
786168127Boyle's LawP1V1=P2V2
786168128Pressure LawP1/T1=P2/T2
786168129Unit of massKg
786168130Unit of weightN
786168131Unit of ForceN
786168132Unit of speedm/s
786168133Unit of Accelerationm/s/s
786168134Unit of PowerW Watts
786168135Unit of EnergyJ Joule
786168136Unit of CurrentA Ampere
786168137Unit of ChargeC Coulomb
786168138Unit of resistanceohm
786168139Unit of frequencyHz
786168140Unit of PressurePa Pascal
786168141Unit of radioactive activityBq Bequerel
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