# Shared Flashcard Set

## Details

AP Physics Review
Equations
71
Physics
05/07/2012

Term
 3 Kinematics Equations
Definition
 Vf = V0+at Δd= V0t+1/2at2 Vf2= V02+2aΔd
Term
 Force
Definition
 Fnet=ma
Term
 Force of Friction
Definition
 Ff =uFn (u= mu, constant)
Term
 Centripital Acceleration
Definition
 ac= v2/r
Term
 Torque
Definition
 T=Fd
Term
 Momentum
Definition
 p=mv
Term
 Kinetic Energy
Definition
 KE=½mv2
Term
 Potential Energy
Definition
 PE=mgh
Term
 Work
Definition
 W=FΔd
Term
 Power (2 equations)
Definition
 P=W/Δt P=Fv
Term
 Force of a Spring
Definition
 Fs= -kx
Term
 Potential Energy of a Spring
Definition
 PEs=½kx2 (PEs=KE)
Term
 Period and Frequency
Definition
 T=1/f
Term
 Gravitational Force
Definition
 FG=G(m1m2)/r2
Term
 Gravitational Potential Energy
Definition
 PEG=G(m1m2)/r
Term
 Impulse (2 equations)
Definition
 I=Δp I=FΔt
Term
 Conservation of Energy
Definition
 KEi+PEi=KEf+PEf
Term
 Work-Energy Theorem
Definition
 Wnet=ΔKE
Term
 Period of a mass on a spring
Definition
 T=2π√(m/k)
Term
 Period of a Pendulum
Definition
 T=2π√(L/g)
Term
Definition
 ε=-N(ΔΦ/Δt) ε=emf or voltage N=#of loops ΔΦ=change in flux
Term
 Magnetic Flux
Definition
 ΦB=BperpA=BAcosΘ
Term
 Magnetic Field of a Straight Wire (Ampere's Law)
Definition
 B=M0Ι/2πr
Term
 Force on a current-carrying wire
Definition
 Fm=ILBsinθ (B=magnetic field Fm=magnetic force L=length of wire I=current)
Term
 Force on a Charged Particle (in a magnetic field)
Definition
 F=qvBsinθ θ=angle between B and v
Term
 Capacitors in Parallel
Definition
 Ceq=C1+C2
Term
 Capacitors in Series
Definition
 1/Ceq=(1/C1)+(1/C2)
Term
 Energy Stored in a Capacitor
Definition
 Uc=½QV=½CV2   Uc= energy stored V=voltage across plate C=capacitance Q=charge on each plate
Term
 Resistance in a Parallel Circuit
Definition
 1/Req=(1/R1)+(1/R2)
Term
 Resistance in a Series Circuit
Definition
 Req=R1+R2
Term
 Resistance
Definition
 R=p(L/A)   p=resistivity of wire
Term
 Power in a Circuit (3 equations)
Definition
 P=IV P=I2R P=V2/R
Term
 Ohm's Law
Definition
 V=IR
Term
 Current
Definition
 I=ΔQ/Δt
Term
 Parallel-Plate Capacitors
Definition
 C=(ε0A)/d   ε0=permittivity of free space =8.84x10-12
Term
 Capacitor
Definition
 C=Q/V
Term
 Voltage Produced by a point charge
Definition
 V=(kQ)/r   k=coulomb's law constant
Term
 Electric Force (on a charge in an Electric field)
Definition
 Fe=qE   E=electric field value
Term
 Electric Potential Energy (2 equations)
Definition
 PEE=qV PEE=k(q1q2/r)   ***FE=PEE
Term
 Electric field prodcued by Parallel plates
Definition
 E=V/d   d=distance between plates
Term
 Electric field produced by a point charge
Definition
 E=(kQ)/r2
Term
 Rate of Heat Transfer
Definition
 H=(kAΔt)/L k=thermal conductivity
Term
 Efficiency of an ideal (carnot) engine
Definition
 e=(TH-Tc)/TH
Term
 Efficiency of a heat engine
Definition
 e=Iw/QHI
Term
 Speed of a Gas Molecule (RMS)
Definition
 Vrms=√(3RT/M)=√(3kBT/μ)
Term
 First Law of Thermodynamics
Definition
 ΔU=Q+W   ΔU= change in internal energy Q=heat transfered to a system W=work
Term
 Internal Energy of an Ideal Gas (2 equations)
Definition
 U=3/2nRT U=3/2PV   R=constant n=number of moles
Term
 Ideal Gas Law (2 equations)
Definition
 PV=nRT PV=NkBT
Term
 Thermal Length Expansion
Definition
 ΔL=αL0ΔT   α=coefficient of linear expansion
Term
 Density
Definition
 p=m/V   V=volume
Term
 Bernoulli's Equation
Definition
 P1+pgy1+½pv12=P2+pgy2+½pv22   P=pressure p=density y=vertical height
Term
 Fluid Flow Continuity
Definition
 A1V1=A2V2   A=area V=volume
Term
 Pressure
Definition
 P=F/A   P=pressure F=force A=area
Term
 Buoyant Force (Archimede's Principle)
Definition
 FB=(Pfluid)(Vsubmerged)g   Pfluid=density of a fluid
Term
 Pressure in a Static Column
Definition
 P=po+pgh   P=pressure po=initial pressure p=density of fluid
Term
 Average Kinetic Energy for Thermodynamics
Definition
 KEavg=3/2kBT
Term
 Induced EMF in a Rectangular Wire
Definition
 ε=BLv
Term
 Speed of a wave (2 equations)
Definition
 v=λ/T v=fλ   (f=frequency, λ=wavelength)
Term
 Index of Refraction
Definition
 n=c/v   (c=speed of light)
Term
 Snell's Law (angle of refraction while passing through a boundary)
Definition
 n1sinθ1=n2sinθ2
Term
 Critical Angle of a Wave
Definition
 sinθc=n2/n1
Term
 Magnification of a Concave Mirror
Definition
 M=hi/ho=-Si/So   (Hi=image height Ho=object height)
Term
 Focal Length
Definition
Term
 Image/Object Distance
Definition
 1/f=(1/so)+(1/si)
Term
 Location of Bright Fringes
Definition
 dsinθ=mλ   (d=slit separation, θ=angle from central line, m=order of bright spots, λ=wavelength)
Term
 Small Angle Approximation
Definition
 xm=(mλL)/d   (xm=distance to the mth fringe m=order of bright fringe, λ=wavelength, L=distance from slits to screen, d=slit separation)
Term
 Energy of a Photon (2 equations)
Definition
 E=hf E=hc/λ   (h=planck's constant, f=frequency, c=speed of light) *(h=6.63x10-34Js=4.14x10-15eVs)*
Term
 Maximum Kinetic Energy of ejected electron
Definition
 KEmax=hf-Φ   (Φ=work function)
Term
 de Broglie Wavelength
Definition
 λ=h/p=h/mv
Term
 Frequency of Emitted Proton
Definition
 Ei - Ef = hf
Term
 Binding Energy
Definition
 ΔE=Δmc2
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