Physics Equations 0.0 / 5 ? PhysicsEquationsIGCSEEdexcel Created by: AliciaVCreated on: 08-06-17 16:31 Equation for Momentum Momentum = mass x velocity 1 of 21 Equation for Charge Charge = current x time 2 of 21 Equation for Voltage Voltage = current x resistance 3 of 21 Equation for Power Power = work done/time 4 of 21 Equation for Wave Speed Wave Speed = frequency x wave length 5 of 21 Equation for Acceleration Acceleration = change in velocity/time 6 of 21 Equation for Force Force = mass x acceleration 7 of 21 Equation for Weight Weight = mass x gravitational field strength 8 of 21 Equation for Kinetic Energy Kinetic Energy = 1/2 x mass x speed 9 of 21 Equation for Speed Speed = distance/time 10 of 21 Equation for Work Done Work Done = force x distance (in direction of force) 11 of 21 Equation for Density Density = mass/volume 12 of 21 Equation for Pressure Pressure = force x area 13 of 21 Equation for Moment Moment = force x perpendicular distance to pivot 14 of 21 Equation for Efficiency Efficiency = useful energy out/total energy in x 100 15 of 21 Equation for Gravitational Potential Energy Gravitational Potential Energy = mas x gravitational field strength x vertical height 16 of 21 Equation 1 for a Transformer current in primary coil x voltage in primary coil = current in secondary coil x voltage in secondary coil 17 of 21 Equation 2 for a Transformer voltage in primary coil/voltage in secondary coil = No. turns on primary coil/No. turns on secondary coil 18 of 21 Equation for a Refractive Index Refrective Index = sini/sinr 19 of 21 What Does i Mean? i = angle of incidence 20 of 21 What Does r Mean? r = angle of refraction 21 of 21
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