All Equations Flashcards
How do you calculate kinetic energy?
0.5 x mass x (speed)^2
How do you calculate gravitational potential energy?
Mass x gravitational field strength x height
How do you calculate power using energy transferred?
Energy transferred / Time
How do you calculate power using work done?
work done / time
How do you calculate the efficiency of an energy transfer?
Useful output energy transfer / total input energy transfer
How do you calculate the efficiency of an power input/output?
Useful power output / total power input
How do you calculate charge flow?
Current x time
How do you calculate potential difference?
Current x resistance
How do you calculate power using potential difference?
Potential difference x current
How do you calculate power using current and resistance?
(Current)^2 x resistance
How do you calculate the energy transferred with power and time?
Power x time
How do you calculate the energy transferred using charge flow and potential difference?
Charge flow x potential difference
How do you calculate the density?
Mass / volume
