EQUATIONS AND FORMULAE

Gravitational potential energy = mass x gravitational field strength x height

Ep = mgh

Elastic potential energy = ½ x spring constant x extension (or compression)²

Ee = ½ ke²

Kinetic energy = ½ x mass x speed ²

Ek = ½ mv²

Power = potential difference x current

P= VI

Energy transferred = power x time

E = Pt