11253697
Descrição
FlashCards por Ingrid Combrink, atualizado more than 1 year ago
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Criado por Ingrid Combrink
aproximadamente 8 anos atrás
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| Questão | Responda |
| Impulse | Force× time in contact |
| SIN FORMULAE | 1. sin of critical angle(c)=1/refractive index 2. refractive index =sin i /sin r |
| Moment and Force | Mass×Velocity |
| Potential Energy =Kinetic Energy | PE =KE PE=mgh KE =1/2 mv^2 ~ mgh= 1/2 mv^2 |
| Weight | mass ×gravity |
| Density | mass÷volume |
| Wave Formula | speed= frequency× wavelength |
| Acceleration | speed increase ÷ time taken |
| Speed | distance ÷ time |
| piston break system | F1×d1=F2×d2 |
| Pressure Formulae | F/A (normal) density× gravity × height |
| Boyle's Law applies only if temperature constant | P1 × V1 = P2 × V2 |
| Potential Difference ( formula) | V = IR |
| Resistance in Series | R1 + R2 + R3 |
| Resistance in parallel | 1/ R1 + 1/R2 + 1/ R3 |
| Transformer's equation to work out voltage or number of turns | (V1 / V2) = (n1 / n2) n= number of turns on coil |
| Momentum of a force about a point | F × perpendicular distance from the point |
| Spring extension | F = kx force is directly proportional as long as elastic limit has not been reached |
| Work done | Force × distance moved |
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