Equations Better Flashcards
(27 cards)
Kinetic energy
1/2 x mass x velocity squared
Gravitational potential energy
Mass x height x gravitational field strength
Elastic potential energy
1/2 x spring constant x extension squared
Distance
Speed x time
Density
Mass divided by volume
Power
Current x potential difference
Energy transferred divided by time
Work done divided by time
Current squared x resistance
Efficiency
Useful energy output divided by total energy input
Useful power output divided by total power input
Change in thermal energy
Mass x temperature change x specific heat capacity
Charge flow
Current x time
Potential difference
Current x resistance
Energy transferred
Power x time
Charge flow x potential difference
Thermal energy for a change of state
Mass x specific latent heat
Constant in a gas
Pressure x volume
Wave speed
Frequency x wavelength
Time period
1 divided by frequency
Magnification
Image size / object size
Weight
Mass x gravitational field strength
Work done
Force x distance
Force
Spring constant x extension
Change in momentum / time taken
magnetic flux density x current x length of conductor in magnetic field
Moment of a force
Force x distance
Pressure
Force / area
Acceleration
Final velocity - initial velocity / time taken
Resultant force
Mass x acceleration
Momentum
Mass x velocity
