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GPE =
mass*gravity*height
KE =
1/2*mass*speed^2
Power =
work done/time
Power =
energy transferred/time
Efficiency =
useful work done/energy input
Efficiency =
power output/power input
Density =
mass/volume
Pressure =
force/area
Pressure =
density*gravity*height
P1*V1 =
P2*V2
P1/T1 (Kelvin) =
P2/T2 (Kelvin)
Frequency =
1/time period
Wavespeed =
frequency*wavelength
Refractive Index =
sini/sinr
Refractive Index =
1/sinc
Current =
charge/time
EMF =
energy supplied/charge
PD =
work done/time
Resistance =
voltage/current