Equations Flashcards
Equation for kinetic energy
Kinetic energy =0.5 X mass X (speed)^2
Equation for gravitational potential energy
Gravitational potential energy= mass X gravitational field atrength X height
Equation for power and energy transferred
Power= Energy transferred / time
Equation for power and work done
Power= Work done / time
Equation for efficency and energy transfer
Efficiency= Useful output energy transfer / total input energy transfer
Equation for efficiency and power
Efficiency = useful power output/ total power input
Equation for charge flow
Charge flow = current X time
Equation for potential difference
Potential difference = current X resistance
Equation for power and potential difference
Power = potential difference X current
Equation for power and resistance
Power = (current)^2 X resistance
Equation for energy transfferred and power
Energy transferred = Power X time
Equation for energy transferred and charge flow
Energy transferred = charge flow X potential difference
Equation for density
Density = mass / volume
Equation for weight
Weight = mass X gravitational field strength
Equation for work done
Work done = force X distance
Equation for force
Force = spring constant X extension
Equation for distance
Distance = speed X time
Equation for acceleration
Acceleration = change in velocity / time taken
Equation for resultant force
Resultant force = mass X acceleration
Equation for momentum
Momentum = mass X velocity
Equation for wave speed
Wave speed = frequency X wavelength
