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67 Cards in this Set
- Front
- Back
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Speed
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V= d/t
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Velocity
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V=dis./t
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Acceleration
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a=∆v/t
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Newton's 2nd Law
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F=ma
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Force of Gravity
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F=Gm1m2/r^2
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Inclined Planes: ↑
➘ |
F=mgcosθ
F=mgsinθ |
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Centripetal Acceleration
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a= v^2/r
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Centripetal Force
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F=MV^2/r
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Static Friction
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F≤μFn
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Voltage
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V=iR
i= current R=resistance |
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Capacitance
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C=Q/V
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Energy stored by a capacitor
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U=1/2QV
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Electrical Power
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P=iV
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Force for Magnetic Field
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F=qvBsinθ
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Alternating Current Vmax
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Vmax=√2 Vrms
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Speed of Light
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c=λf
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Index of refraction
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n=c/v
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Angular Frequency (Wiggle)
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w=√g/L
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Angular Frequency (Wack Em)
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w=√k/m
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Harmonic
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L=nλ/2
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Snell's Law
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n₁sinϴ₁ = n₂ sinϴ₂
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Energy of a single photon
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E=hf
h= planck's constant |
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Beat Frequency
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f(beat)= | f₁-f₂ |
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Decibels (dB)
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β= 10 log (I/I₀)
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Intensity
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I=1/2ρω^2A^2v
ρ= density ω= angular frequency |
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Period
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T=1/f
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Velocity for a wave
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V=fλ
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Bulk Modulus (B)
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B= ΔP/ΔV/V₀
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Shear Modulus (G)
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G= F/A/ΔX/h₀
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Young's Modulus (E)
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E=F/A/Δh/h₀
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Modulus of elasticity
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Modulus of elasticity = stress/strain
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Stress
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Stress= F/A
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Bernoulli
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K= P+ ρgh + 1/2 ρv^2
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Continuity Equation
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Q=Av
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Voltage
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V=Ed (J/C)
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Work (electricity)
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W=Eqd (J)
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Elastic Potential Energy (electricity)
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U=Eqd
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Force on a charge
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F=Eq
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Electric Field
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E= kq₁/r^2
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Coulomb's Law
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F=kq₁q₂/r^2
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Absolute Pressure
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Pabs=Pgauge + Patm
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Pressure
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P= F/A or P=ρgh
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Density of Water
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1000 kg/m^3
1g/cm^3 |
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Specific Gravity
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S.G.= ρ(substance)/ρ(water)
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Density
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ρ=m/v
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Rest Mass Energy
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E=mc^2
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Impulse
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J=FΔT
impulse=Momentum |
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Inelastic Collisions
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Pi=Pf
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Momentum
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P=mv
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Power
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P=W/t or ΔE/t
P=Fvcosϑ |
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Work
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W=Fdcosϑ
W=ΔK+ΔU+ΔE |
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Elastic Potential Energy
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U=1/2kΔx^2
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Potential Energy
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U=mgh
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Kinetic Energy
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K=1/2mv^2
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Torque
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T=fl
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Non-equilibrium
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Fup=Fdown +/- ma
Fright=Fleft Add ma to weaker side |
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Equilibrium (no acceleration)
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Fup=Fdown
Fright=Fleft t(c)=t(cc) |
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Hooke's Law
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F=-kΔx
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Kinetic Friction
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f(k)= μ(k)F(n)
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Equations when acceleration is constant
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x=x₀+v₀t+1/2at^2
v=v₀+at v^2=v₀^2 + 2ax Vavg= V+V₀/2 V=√2gh |
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Focal length for a mirror
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f=1/2r
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Power (lens)
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P=1/f
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Lateral Magnification
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m= -di/do= hi/ho
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Thin Lens Equation
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i/f= 1/do + 1/di
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Lateral Magnification of a two lens system
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M= m1m2
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Power for two lenses
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Peff = P₁ +P₂
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PRI
NVU |
Positive Real Inverted: concave, converging
Negative Virtual Upright: convex, diverging |
