A whole crap load of AP Physics equations
Help!
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| Resistance in a wire | R = ρ(L/A)
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| 1 ampere | 1C/s
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| Electrical Power (Watt’s Law) | P = IV
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| Electrical Voltage | V = IR
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| Resistance in Series | R = R₁ + R₂ + R₃ + ...
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| Resistance in Parallel | 1/R = 1/R₁ + 1/R₂ + 1/R₃ + ...
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| Single Point Charge | E = (kQ)/r²
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| Electric Potential (some distance from a single point charge) | V = (kQ)/r
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| Parallel Plate Capacitor | C = (ε₀)(A)/d
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| Charge of e⁻ | -1.6⋿-19 C
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| Charge of Proton | 1.6⋿-19 C
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| Electrical Force | F = qE
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| Coulomb’s Law | F = k(Q₁Q₂)/r² --> K = 9⋿9 N*m²/C²
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| Pressure | P = P₀ + ρgh
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| Pressure | P(atm) + P = P(gauge)
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| Volume Flow Rate | A₁V₁ = A₂V₂
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| Bernulis Equation | P₁ + ρgy₁ + .5ρV₁² = P₂ + ρgy₂ + .5ρV₂²
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| Specific Gravity | Density of object/Density H₂O
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| Buoyant Force | F = ρ(liquid)*V(submerged)*g
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| Pascal’s Principal | Apparent Weight = True Weight - Buoyant Force
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| Pressure | P = F/A
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| Density | D = m/v
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| Density H₂O | 1000 kg/m²
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| Heat Engine Efficiency | e = W/Q(hot) or e = (Q(hot)-Q(cold))/Q(hot) or e(ideal) = T(hot)-T(cold)/T(hot)
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| 1st Law of Thermodynamics | ΔU = Q + W
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| Isothermal gas | gas held at constant temperature (PV=nRT
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| Adiabatic gas | no heat flows in or out (ΔU = W)
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| Isobaric gas | constant pressure (Area under curve = work done)
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| Isochloric gas | constant volume (W = 0, ΔU = 0)
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| Ideal Gas Law | PV=nRT
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| STP (Standard Temp. and Pressure) | 1atm (1⋿5 pa) and 298 *K
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| Kinetic Energy | ΔKE = Δ.5mv²
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| Thermal Engery | ΔU = mgh = .5kx²
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| Heat | ΔQ = mcΔt
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| Thermal Expansion | ΔL = αL₀ΔT
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| Newton’s 1st Law | ΣF = ma
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| Friction (static) | F ≤ μN
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| Centripetal Acceleration | a = v²/r
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| momentum | p = mv
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| Impulse | J = FΔt = Δp
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| Gravitational Potential Energy | ΔU = mgh
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| Work | W = F*s = F*s*cos θ
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| Average Power | P = W/Δt or P = Fv
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| Force of a Spring | F = -kx
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| Potential Spring Energy | U = .5kx²
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| Period of a Spring | T = 2π√(m/k)
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| Period of a Pendulum | T = 2π√(l/g)
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| Period | T = 1/f
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| Universal Law of Gravitation | F = -G(M₁M₂)/r²
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| Universal Gravitational Constant | G = 6.67⋿-11 m³/kg*s²
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| Atmospheric Pressure | 1 atm = 1⋿5 N/m² = 1⋿5 pa
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| 1 Electron Volt | 1eV = 1.60⋿-19 J
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| Universal Gas Constant | R = 8.31 J/mol *k
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| Avogadro’s Number | 6.02⋿-23 J/K
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| pico | 10⁻¹²
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| nano | 10⁻⁹
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| micro | 10⁻⁶
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