Equations Flashcards
Which equation links kinetic energy, mass, and speed?
Kinetic energy= 1/2 * mass * speed^2
Kinetic energy= J
Mass=kg
Speed= m/s
Which equation links elastic potential energy, the spring constant, and extension?
Elastic potential energy= 1/2 * spring constant * extension^2
Elastic potential energy=J
Spring constant=N/m
Extension=m
Which equation links gravitational potential energy, mass, gravitational field strength, and height?
GPE= mass * gravitational field strength * height
GPE= J
Mass=kg
Gravitational field strength= N/kg
Height= m
Which equation links power, work done, and time taken?
power= work done/time taken
power=Watts (W)
work done= J
time taken=s
Which equation links power, energy transferred and time taken
power = energy transferred/ time taken
power=Watts (W)
energy= J
time= s
What are the two efficiency equation?
efficiency= useful energy output/ total energy output
efficiency= useful power output/ total power output
power= W
energy= J
Which equation links change in thermal energy, mass, specific heat capacity and temperature change?
change in thermal energy= mass * specific heat capacity * temperature change
thermal energy= J
mass= kg
specific heat capacity= J/kg°C
temperature change=°C
Which equation links charge flow, current and time?
charge flow= current * time
charge = Coulombs
current= Amps
time= s
Which equation links potential difference, current and resistance?
potential difference= current * resistance
potential difference= Volts
current = Amps
resistance = Ohm
Which equation links power, current and potential difference?
power= current * potential difference
power = Watts
current = Amps
potential difference = Volts
Which equation links power, current and resistance ?
power = current^2 * resistance
power = Watts
current=Amps
resistance = Ohms
Which equation links energy transferred, power and time?
energy transferred = power * time
energy transferred = J
power = W
time = s
Which equation links energy transferred, charge flow and potential difference?
energy transferred= charge flow * potential difference
energy transferred = J
charge flow = Coulombs
potential difference = Volts
Which equation links density, mass and volume?
density = mass/volume
density=g/cm^3 or kg/m^3
mass= kg or g
volume= cm^3 or m^3
Which equation links thermal energy, specific latent heat and mass
thermal energy = mass * specific latent heat
thermal energy = J
mass = kg
specific latent heat = J/kg