level: formulas
Questions and Answers List
level questions: formulas
| Question | Answer |
|---|---|
| formula for refractive index | sin i /sin r |
| formula for work done | force(N) x distance(M) |
| formula for wavelength | wave velocity / frequence |
| formula for weight | mass x gravitaional feild strength |
| formula for for GPE | mass x GFS x height |
| formula for KE | 1/2 x mass x velocity ^2 |
| formula for power | work done / time |
| formula for mass | 2KE / v^2 |
| formula for velocity | square root of 2KE / mass |
| formula for efficieny | useful output / total input x 100 |
| formula for pressure | force / area |
| formula for force | pressure x area |
| formula for density | mass / volume |
| formula for gravitational field strength | weight / mass |
| formula for force | mass x acceleration |
| formula for acceleration | final speed - initial speed / time taken |
| formula for speed | total distance / total time |
| formula for current | charge / time |
| formula for resistance | voltage / current |
| formula for energy | current x voltage x time |
| formula for power | current x voltage |
| formula for moment | force x distance |
| formula for force | constance x extension |