Equations Flashcards
Gravitational Potential Energy (J)
GPE = mass(kg) x gravitational field strength (N/kg) x height (m)
Elastic potential energy (J)
1/2 x spring constant (N/m) x extension (m)
Change in thermal energy (J)
Mass (kg) x specific heat capacity (J/kgC) x temperature change (C)
1.) Power (W)
Energy transferred (J)/ Time (s)
2.) Power (W)
Work done (J)/ Time (s)
Charge flow (coulombs, C)
Current (A) x Time (s)
Potential difference (V)
Current (A) x resistance (ohms)
Energy transferred ((J)
Charge flow (C) x potential difference (V)
3.) Power (W)
Potential difference (V) x Current (A)
Density
Mass/Volume
Energy (E)
Mass (m) x Specific latent heat (L)
Weight (N)
Mass (kg) x Gravitational field strength (N/kg)
Work done (J)
Force (N) x distance (m)
Force (N)
Spring (N/m) x Extension (m)
Distance travelled (m)
Speed (m/s) x Time (s)
Acceleration (m/s2)
Change in velocity (m/s)/ Time (s)
Final velocity (m/s)
Final velocity - initial velocity2 (m/s) = 2 x acceleration (m/s2) x distance (m)
Resultant Force (N)
Acceleration (m/s2) x mass (kg)
Momentum (kg m/s)
Mass (kg) x velocity (m/s)
Period (s)
1/ frequency (Hz)
Wave speed (m/s)
Frequency (Hz) x wavelength (m)
Kinetic energy (J)
Kinetic energy = 1/2 x mass(kg) x (speed)2 (m/s)2
4.) Power
Current2 x resistance
