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27 Cards in this Set
- Front
- Back
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Force of friction
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Ffriction </= μFnormal
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Torque
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t = rFsinθ
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Impulse
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J = FΔt = Δp
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Power
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P=W/Δt=Fv
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Period of a spring
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T(s)=2π √[m/k]
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Period of a pendulum
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T(p)=2π √[L/g]
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Gravitational constant
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6.67e-11
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Force (charged particles)
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F=1/[4πƐo] * qq/r^2
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Electric field
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E=F/q
E(avg)=-V/d |
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Potential energy of an electric field
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U(E)=qV=1/[4πƐ] * qq/r
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Capacitance
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C=Q/V = (Ɛo*A)/d
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Potential energy of a capacitor
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U(c)=½QV=½CV^2
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Current (average)
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I(avg)=ΔQ/Δt
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Resistance
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R=pL/A
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Force of magnetic field
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F(B)=qvBsinθ
F(B)=BILsinθ |
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Magnetic field
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B=[μo/2π]*I/r
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Magnetic flux
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ϕ(m) = BAcosθ
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Induced voltage
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Ɛ(avg)=Δϕ(m)/Δt
Ɛ=BLv |
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Pressure
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P=ρgh=F/A
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Force of buoyancy
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F(buoy)=ρVg
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Change in length (due to heat)
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ΔL=α * Li * Δtemp
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PV=nRT also = what?
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Nk(b)T
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Kinetic energy (avg molecular)
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KE(avg molecular)=3/2k(B)T
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velocity (root mean square)
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v(rms)=√[3RT/M]=√[3k(B)T/μ]
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Work
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W=-PΔV
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Internal energy
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ΔU(internal)=Q+W
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Efficiency
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e=|W/Q(H)|
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