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physics equations
2017 new gcse physics equations
| what is the equation for | equation |
|---|---|
| weight | mass x gravitational field strength |
| efficiency | useful output energy transfer total input energy transfer |
| efficiency | useful power output total power output |
| work done | force x distance |
| force applied to a spring | spring constant x extension |
| wave speed | frequency x wavelength |
| distance travelled | speed x time |
| charge flow | current x time |
| acceleration | change in velocity time taken |
| potential difference | current x resistance |
| resultant force | mass x acceleration |
| power | potential difference x current |
| momentum | mass x velocity |
| power | current2 x resistance |
| kinetic energy | 0.5 x mass x speed2 |
| energy transferred | power x time |
| gravitational potential energy | mass x gravitational field strength x height |
| energy transferred | charge flow x potential difference |
| power | energy transferred time |
| power | work done time |
| density | mass volume |