ALL GCSE P1 & P2 Physics Formulas AQA
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Physics P1 Formulas
Payback time (years)= Initial cost (£) / Annual Saving (£)
Energy Transferred (J) = Mass (kg) x Specific Heat Capacity (J/kg°C) x temperature chance (°C)
Efficiency (%) = Useful Energy out (J) / Total energy in (J)
Efficiency (%) = Useful Power out (W) / Total Power in (W)

Energy (J) = Power (W) x Time (s)
No. of Units (kWh) used = Power (kW) x Time (h)
Cost (p) = Number of Units x Price per Unit (p)
Speed (m/s) = Frequency (Hz) x Wavelength (m)
Angle of Incidence = Angle of Reflection
P2 Physics Formulas
(DistanceTime Graphs) Speed (m/s) = Gradient = Vertical / Horizontal
Acceleration (m/s²) = Change in…
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