Physics
kinetic energy
0.5 x mass x (speed)squared
elastic potential energy
0.5 x spring constant x (extension)squared
gpe
mass x gravitational field strength x height
change in thermal energy
mass x specific heat capacitiy x temp change
power (e / t )
energy transfered / time
power (w / t)
work done / time
efficiency (energy)
useful output energy transfer / total input energy transfer
efficiency
useful power output / total power output
charge flow
current x time
pot diff
current x resistance
power (p x c)
pot diff x current
power (c x r)
(current)squared x resistance
energy transfered (p x t)
power x time
energy transferred (c x p)
charge flow x pot diff
density
mass / volume
thermal energy for a change of state
mass x specific latent heat
gases:constant
pressure x volume
weight
mass x gravitational field strength
work done
force x distance
force
spring constanr x extension
momentom of force
force x distance
pressure
force normal to a surface / area of that surface
distance travelled
speed x time.
acceleration
change in velocitiy / time taken
resultant force
mass x acceleration
period
1 / frequency
wave speed
frequency x wavelength
magnificatioib
image height / object height