Physics Equations (DOUBLE) 0.0 / 5 ? PhysicsEquations and FormulaeIGCSEEdexcel Created by: holly231Created on: 24-05-17 12:04 SPEED SPEED = DISTANCE / TIME 1 of 27 ACCELERATION ACCELERATION = CHANGE IN VELOCITY / TIME TAKEN 2 of 27 WEIGHT WEIGHT = MASS x GRAVITATIONAL FIELD STRENGTH 3 of 27 FORCE FORCE = MASS x ACCELERATION 4 of 27 MOMENT MOMENT = FORCE x PERPENDICULAR DISTANCE BETWEEN LINE OF ACTION AND PIVOT 5 of 27 ORBITAL SPEED ORBITAL SPEED = 2piR / TIME PERIOD 6 of 27 ELECTRICAL POWER ELECTRICAL POWER = CURRENT x VOLTAGE 7 of 27 ENERGY TRANSFERRED ENERGY TRANSFERRED = CURRENT x VOLTAGE x TIME 8 of 27 VOLTAGE VOLTAGE = CURRENT x RESISTANCE 9 of 27 CHARGE CHARGE = CURRENT x TIME 10 of 27 WAVESPEED WAVESPEED = FREQUENCY x WAVELENGTH 11 of 27 FREQUENCY FREQUENCY = 1 / TIME PERIOD 12 of 27 FREQUENCY FREQUENCY = 1 / TIME PERIOD 13 of 27 ANGLE OF INCIDENCE ANGLE OF INCIDENCE = ANGLE OF REFLECTION 14 of 27 EFFICIENCY EFFICIENCY = USEFUL ENERGY OUTPUT / TOTAL ENERGY INPUT 15 of 27 WORK DONE WORK DONE = FORCE x DISTANCE MOVED 16 of 27 WORK WORK DONE = ENERGY TRANSFERRED 17 of 27 POWER POWER = WORK DONE / TIME TAKEN 18 of 27 POWER (II) POWER = ENERGY TRANSFERRED / TIME TAKEN 19 of 27 POWER LOST IN CABLES POWER LOST IN CABLES = CURRENT^2 X RESISTANCE 20 of 27 KINETIC ENERGY KINETIC ENERGY = 1/2 x MASS x VELOCITY^2 21 of 27 GRAVITATIONAL POTENTIAL ENERGY GPE = MASS x GRAVITY x HEIGHT 22 of 27 KE AND GPE KINETIC ENERGY GAINED = GRAVITATIONAL POTENTIAL ENERGY LOST 23 of 27 DENSITY DENSITY = MASS / VOLUME 24 of 27 PRESSURE PRESSURE = FORCE / AREA 25 of 27 PRESSURE DIFFERENCE PRESSURE DIFFERENCE = HEIGHT x DENSITY x GRAVITY 26 of 27 PRESSURE (II) PRESSURE x VOLUME= CONSTANT* *at a constant temperature 27 of 27
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