Physics equations OCR 21st century 3.0 / 5 based on 1 rating ? PhysicsEquationsGCSEOCR Created by: Liem Mao-TranCreated on: 27-03-16 12:36 Speed(meter/second) = Frequency(Hz) x Wavelength(meter) 1 of 9 Distance(meter) = Speed(meter/second) x Time(seconds) 2 of 9 Velocity = Frequency(Hz) x Wavelength(meter) 3 of 9 Energy Transferred(Joules) = Power(Watts) x Time(seconds) 4 of 9 Energy Transferred(KiloWatt-Hours) = Power(KiloWatts) x Time(Hours) 5 of 9 Cost = Number of kWh x Cost per kWh 6 of 9 Power(Watt) = Voltage(volts) x Current(Amps) 7 of 9 Efficiency in percent = Energy useful transferred/Total energy supplied x 100% 8 of 9 Efficiency = Energy useful transferred/Total energy supplied 9 of 9
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