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Physics

Speed, force, energy and electricity

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Ohm's law Find voltage, current, resistance or power from any two of the four. Kinematics & dynamics Average speed, acceleration, force (F = ma) or kinetic energy. Pressure & energy Convert bar, Pa, PSI, atm — or joules, kWh, eV, calories.

Solve the core relationships of mechanics and electricity: average speed, acceleration, Newton’s second law, kinetic energy, Ohm’s law, electrical power and running cost.

Units are converted to SI before the calculation and returned in whichever unit you choose.