Equations 0.0 / 5 PhysicsEquations and FormulaeIGCSEEdexcel Created by: MimipotteCreated on: 09-05-15 16:47 What is the equation for frequency ? 1/time period - in Hz 1 of 19 What is the equation for Wavelength ? Frequency/Speed - in M 2 of 19 What is the equation for speed of a wave? Frequency x Wavelength - in m/s 3 of 19 what is the equation for speed ? Distance/time - in m/s 4 of 19 What is the equation for acceleration? change in velocity/time taken or force/mass - in m/s/s 5 of 19 What is the equation for Weight? mass x gravitational field strength - in N 6 of 19 What is the equation for Force? mass x acceleration - in N 7 of 19 what is the equation for Work done? Force x distance - in j 8 of 19 what is the equation for kinetic energy? 0.5 x mass x speed-squared - in j 9 of 19 What is the equation for Potential energy? mass x gravitational field strength x height - in j 10 of 19 What is the equation for momentum? mass x velocity - in kgm/s 11 of 19 What is the equation for Force? change in momentum/ time taken for change - in N 12 of 19 What is the equation for Potential difference? current x resistance - in V 13 of 19 What is the equation for current? Potential difference/resistance - in amps 14 of 19 What is the equation for resistance? Potential difference/current - in ohms 15 of 19 What is the equation for Electrical power? Potential difference x current - or - current x current x resistance - in W 16 of 19 What is the equation for charge? current x time - in c 17 of 19 what are the equations for electrical energy? Total charge x potential difference - or - electrical power x time - or - current x Potential difference x time -in j 18 of 19 What is the equation for a moment? Force x perpendicular distance from pivot - in Nm 19 of 19

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