Physics Equations 0.0 / 5 ? PhysicsEquations and FormulaeIGCSEEdexcel Created by: BertieCreated on: 18-03-18 14:19 weight = mass x gravitational field strength 1 of 31 force = mass x acceleration 2 of 31 stopping distance = thinking distance + braking distance 3 of 31 work done = force x distance 4 of 31 power = work done / time taken 5 of 31 power = energy transferred/time taken 6 of 31 kinetic energy = 1/2 x mass x velocity2 7 of 31 gravitational potential energy = mass x gravitational field strength x height 8 of 31 efficiency = useful energy output/ total energy input 9 of 31 resistance = voltage/current 10 of 31 charge = current x time 11 of 31 energy transferred = voltage x charge 12 of 31 power = voltage x current 13 of 31 activity = count rate/ time 14 of 31 total anti-clockwise moments = total clockwise moments 15 of 31 frequency = 1/ time period 16 of 31 wave speed = frequency x wavelength 17 of 31 angle of incidence = angle of reflection 18 of 31 refractive index = speed of light in a vacuum/ speed of light in material 19 of 31 refractive index1 x sin( = refractive index2 x sin( 20 of 31 sin(critical angle) = 1/ refractive index of material 21 of 31 secondary voltage/ primary voltage = secondary turns/ primary turns 22 of 31 power in primary = power in secondary 23 of 31 momentum = mass x velocity 24 of 31 momentum before = momentum after 25 of 31 force = change in momentum/ time taken 26 of 31 orbital speed 2 x pi x radius/ time period 27 of 31 moment = force x perpendicular distance from the pivot 28 of 31 speed = distance/ time 29 of 31 velocity = displacement/time 30 of 31 acceleration = change in velocity/ time taken 31 of 31
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