pyhsic equations 0.0 / 5 ? PhysicsEquations and FormulaeIGCSEEdexcel Created by: tashfosterCreated on: 10-04-17 18:13 eqautin for speed (m/s) distance ÷ time. 1 of 25 acceleration m/s change in velocity ÷ time. 2 of 25 weight (N) mass x gravity 3 of 25 force (N) mass x acceleration 4 of 25 momentum (kgm/s) mass x velocity 5 of 25 force acting (N) change in momentum ÷ time taken for the change 6 of 25 moment (Nm) force x perpendicular distance from pivot 7 of 25 electrical power (W) current x voltage 8 of 25 energy transferred (J) current x voltage x time 9 of 25 voltage (V) current x resistance 10 of 25 charge (C) (coulombs) current x time 11 of 25 frequency (Hz) 1÷time it takes for one wave 12 of 25 speed (m/s) frequency x wavelength 13 of 25 angle of incidence angle of incidence = angle of reflection 14 of 25 refractive index (n) sin(i) ÷ sin (r) 15 of 25 snells law sin C = 1÷refractive index (n) 16 of 25 efficiency (%) useful energy output ÷ total energy input 17 of 25 work done (J) force x distance moved 18 of 25 power (W) work done ÷ time taken 19 of 25 kinetic energy (J) ½ x mass x velocity2 20 of 25 gravitational potential energy (J) mass x g x height 21 of 25 kinetic energy gained kinetic energy gained = gravitational potential energy lost 22 of 25 density (kg/m ) mass ÷ volume 23 of 25 pressure (Pa) force ÷ area 24 of 25 pressure difference (Pa) height x density x g 25 of 25
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