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73 Cards in this Set
- Front
- Back
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kinematic equation 1:
v=? |
v=v.+at
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kinematic equation 2:
^x=? |
^x=v.t+1/2at^2
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kinematic equation 3:
v^2=? |
v^2=v.^2+2a^x
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Newton's 2nd law
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F=ma
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Frictional Force
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F=uN (u=frictional constant)
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Centripetal Force
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F=mv^2/r
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Centripetal Acceleration
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A=v^2/r
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Torque
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T=FdsinO
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Momentum
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p=mv
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Elastic Collision
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KE1+KE2=KE1'+KE2'
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Inelastic Collision
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m1mv1+m2v2=(m1+m2)v
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Impulse
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J=F^t=^p
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Kinetic Energy
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KE=1/2mv^2
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Change in Gravitational Potential
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^PE=mgh
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Work
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W=F^dcosO
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Power
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W/^t
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Force of a Spring
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F=-kx (k=spring constant)
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Spring Potential
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PE=1/2kx^2
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Period of a Spring
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T=2pi*sqrt(m/k)
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Period of a Pendulum
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T=2pi*sqrt(l/g)
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Period of a Wave
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T=1/f
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Gravitational Force
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-Gm1m2/r^2 (G=universal gravitational constant)
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Gravitational Potential
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-Gm1m2/r
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Electrical Force
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F=Kq1q2/r^2 (K=Coulomb's Constant)
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Electric Field
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E=F/q
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Electric Potential Energy
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PE=qV=Kq1q2/r
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Voltage or Electric Potential or Potential difference
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V=PE/q=Kq/r
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Capacitance
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C=Q/V
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Parallel Plate Capacitor
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C=E.A/d (E.=permittivity of space)
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Capacitance Potential Energy
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KE=1/2QV=1/2CV^2
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Average Current
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I=^Q/^t
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Resistance
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R=pl/A (p=resistivity)
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Voltage
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V=IR
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Power
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P=IV=I^2R
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Parallel Capacitors
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C1+C2+C3=C
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Series Capacitors
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1/C1+1/C2+1/C3=1/C
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Series Resistors
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R1+R2+R3=R
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Parallel Resistors
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1/R1+1/R2+1/R3=1/R
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Magnetic Force
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F=qvBsinO
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Magnetic Force
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F=BILsinO
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Magnetic Field
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B=u./2pi*I/r (u.=permeability of space)
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Magnetic Flux
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flux=BAcosO
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average EMF
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e=-^flux/^t
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Motional EMF
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e=Blv
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end of
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elec and mag
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Pressure
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P=P.+pgh (p=density, h=depth)
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Buoyant Force
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F=pVg
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Fluid Conservation
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A1V1=A2V2
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Bernouli's Principle
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P+pgy+1/2pv^2=constant
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Linear Expansion
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^L=aL.^T (a=coefficient of linear expansion, T=temp)
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Rate of Heat Transfer
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H=kA^T/Th (k=thermal conductivity, Th=thickness)
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Pressure
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P=F/A
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Ideal Gas Law
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PV=nRT=NkT (n=#moles, N=#molec, R=univ. gas const, k=boltzmann's const.)
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Average Molecular Kinetic Energy
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KE=3/2kT
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Root-mean-square velocity
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v=sqrt(3RT/M)=sqrt(3kT/u) (M=molar mass, u= mass of molec)
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Fluid Work
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W=-P^V
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Change in Internal Energy
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^U=Q+W (Q=heat)
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Efficiency
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e=abs(W/Qh)
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Carnot Efficiency
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e=Th-Tc/Th (Th=temp of hot reservoir)
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end of
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thermo and fluids
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energy
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E=hf=pc (h=planck's const, f=freq, p=momentum)
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Maximum Kinetic Energy
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KE=hf-& (&=work function)
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wavelength
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\=h/p
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Change in Energy
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^E=(^m)c^2
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speed of a wave
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v=f\
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index of refraction
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n=c/v
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Snell's Law
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n1sinO1=n2sinO2
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Critical Angle
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sinO=n2/n1
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mirror equation
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1/q+1/p=1/f (f=focal length)
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magnification
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M=hi/ho=-q/p
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focal length
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f=R/2 (R=radius of curvature)
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slit interference
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dsinO=m\ (d=separation)
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diffraction displacement
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y=m\L/d
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