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Equations for grade 9 Physics

This activity will help you review the equations you need to know during the first year of this course.
AB
SpeedS = d/t
Accelerationa = change in velocity/time
Accelerationa = F/m
SpringsF = k.x
PressureP=F/A
Densityd=m/V
ResistanceR = V/I
Series currentIt = I1 = I2
Parallel currentIt = I1 + I2
Series voltageVt = V1 + V2
Parallel voltageVt = V1 = V2
Specific heat capacityEnergy = m x c x Change in T
WorkW = F x d
Kinetic energyE = 1/2 mv^2
Potential energyE = mgh
WeightW= m x 10
PowerP = E/t
Efficiencyeff = energy out/energy in
Boyle's lawPV = constant


Simon Lorimer

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