9207517
Description
Flashcards by Nick Stoner, updated more than 1 year ago
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Created by Nick Stoner
over 7 years ago
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| Question | Answer |
| density = mass / volume | ρ = m/v |
| pressure = force / area | P = F/A |
| Pressure = density x gravity x height | P = pgh |
| Boyles Law | P1 V1 = P2 V2 |
| The Pressure Law | P1/T1 = P2/T2 |
| Voltage = Current x Resistance | V = IR |
| Charge = Current x time | Q = IT |
| Power = Current x Voltage | P = IV |
| Energy = Current x time x Voltage | E = ItV |
| wave speed = frequency x wavelength | v = fλ |
| frequency = 1/Time Period | f = 1/T |
| Efficiency = | useful energy output / total energy input |
| refractive index = sine (angle of incidence) / sine (angle of refraction) | n = sin(i) / sin(r) |
| refractive index = 1 / sine (critical angle) | n = 1 / sin (c) |
| Work Done = Force x displacement | W = Fd |
| Gravitational Potential Energy = mass x gravity x height | GPE = mgh |
| Kinetic Energy = 1/2 (mass x speed^2) | KE = 1/2(mv^2) |
| Power = Work Done / time | P = W/t |
| GPE gained = KE lost | GPE lost = KE gained |
| average speed = distance moved / time taken | s = d/t |
| acceleration = (change in velocity) / time taken | a = (v - u)/t |
| Force = mass x gravity | F = mg |
| Weight = mass x gravity | W = mg |
| Moment = | Force x perpendicular distance from the pivot |
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