P1 equations for funsies Flashcards
how do you calculate work done (W)?
force (f) * distance moved in direction of force (d)
how do you calculate kinetic energy (Ek)?
1/2 * mass (m) * speed^2 (v)
how do you calculate efficiency?
useful output / total input
how do you calculate Gravitational Potential Energy (GPE)?
mass (m) * height (h) * gravitational field strength (g)
how do you calculate Power (p)?
- energy transferred (e) / time (t)
- current (i) * potential difference (v)
- currrent^2 (i) * resistance (r)
how do you calculate change in thermal energy (Delta E)?
Mass (m) * specific heat capacity (c) * temperature change (Delta Theta)
how do you calculate Charge (q)?
current (i) * time (t)
how do you calculate Energy (e)?
potential difference (v) * charge (q)
how do you calculate potential difference (v)?
current (i) * resistance (r)
how do you calculate density?
mass / volume (m^3)
how do you calculate specific latent heat (J/kg)?
energy / mass
what does initial pressure * initial volume = ?
final pressure * final volume
