physics formulas 0.0 / 5 ? PhysicsEquations and FormulaeIGCSEEdexcel Created by: ameliaCreated on: 07-05-13 21:23 average speed distance moved ÷ time taken 1 of 25 acceleration change in velocity ÷ time taken 2 of 25 force mass x acceleration 3 of 25 weight mass x gravitational potential (10) 4 of 25 momentum mass x velocity 5 of 25 moment force x perpendicular distance from pivot 6 of 25 orbital speed (2 x π x orbital radius) ÷ time period 7 of 25 power current x voltage 8 of 25 energy transferred current x voltage x time 9 of 25 voltage current x resistance 10 of 25 charge current x time 11 of 25 wave speed frequency x wavelength 12 of 25 frequeny 1 ÷ time period 13 of 25 refractive index sin i (angle of incidence) ÷ sin r (angle of reflection) 14 of 25 sin c (critical angle) 1 + refractive index (n) 15 of 25 efficency useful energy output ÷ useful energy input 16 of 25 work done force x distance moved 17 of 25 gravitational potential energy mass x gravitational potential (10) x height 18 of 25 kinetic energy 1/2 x mass x speed² 19 of 25 power work done ÷ time taken 20 of 25 density mass ÷ volume 21 of 25 pressure force ÷ area 22 of 25 pressure difference height x density x gravitational potential (10) 23 of 25 input voltage ÷ output voltage primary turns ÷ secondary turns 24 of 25 input power output power 25 of 25
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