Equations Flashcards
Equation for density?
Mass / volume
Charge
Current x time
What is the law of reflection
Angle of incidence = angle of reflection
Force
Mass x acceleration
State Hook’s Law
A material’s extension is proportional to the force
Refractive index
Angle of incidence / angle of refraction
Momentum
Mass x velocity
Acceleration
Change in velocity / time taken
Force (momentum)
Change in momentum / time taken
Orbital speed
2 x pie x orbital radius / time period
Power
Current x voltage
Energy transferred
Current x voltage x time
Voltage
Current x resistance
Wave speed
Frequency x wavelength
Frequency
1 / time period
Relationship between critical angle and refractive index
Sin c = 1 / n
Work done
Force x distance moved
Kinetic energy
1/2 x m x v2
Power
Work done / time taken
Pressure
Force / area
Pressure difference
Height x density x g
Voltage is the energy transferred per unit ______ passed
Charge
A volt is a joule per ________
Coulomb
Kelvin temperature is proportional to ………..
To the average KE of its molecules
