# Shared Flashcard Set

## Details

Smith AP Physics B Formulas
All semester 1 and 2 formulas you should know
78
Physics
04/26/2012

Term
 Coulomb's Law
Definition
 F = kq1q2 / r2
Term
 Electric Field due to a Point Charge
Definition
 E = kq / r2
Term
 Electric Potential due to a Point Charge
Definition
 V = kq / r
Term
 Relationship between E-field and Potential Difference
Definition
 V = -Ed
Term
 Relationship between Potential Difference and Speed
Definition
 qV = .5mv2
Term
 Definition of Capacitance
Definition
 C = Q / V
Term
 Capacitance based on Geometry of the Capacitor
Definition
 C = εo A / d
Term
 Energy stored by a Capacitor
Definition
 μ = .5QV
Term
 Ohm's Law
Definition
 V = IR
Term
 Resistance of a Wire
Definition
 R = ρl / A
Term
 Electrical Power
Definition
 P = IV = I2R = V2 / R
Term
 Battery EMF
Definition
 Vterminal = Videal - Ir
Term
 Resistance for a Series
Definition
 Req = ∑ R
Term
 Resistance for a parallel circuit
Definition
 Req = (∑ R-1)-1
Term
 Capacitance for a series
Definition
 Ceq = (∑ C-1)-1
Term
 Capacitance for a parallel circuit
Definition
 Ceq = ∑ C
Term
 Magnetic Flux
Definition
 Φ = BACosΘ
Term
 Magnetic Force on a Wire
Definition
 F = BILSinΘ
Term
 Magnetic Force on a Particle
Definition
 F = qvBSinΘ
Term
 Radius of a particles path (in a B-field)
Definition
 r = mv / qB
Term
 Magnetically Induced EMF
Definition
 V = NΔΦ / Δt = NΔ(BACosΘ) / Δt
Term
 B-field produced by a current
Definition
 B = μoI / 2Πr
Term
 Relationship between frequency and wavelength
Definition
 c = fλ
Term
 Law of (the angle of) Reflection
Definition
 Θi = Θr
Term
 Mirror and Lens Equation
Definition
 Si-1 + So-1 = f -1
Term
 Magnification for Mirrors and Lenses
Definition
 M = -Si / So = hi / ho
Term
 Snell's Law (of Refraction)
Definition
 niSinΘi = nrSinΘr
Term
 Diffraction Equation
Definition
 dSinΘ = mλ
Term
 Energy of a Photon
Definition
 E = hf
Term
 Photon Momentum
Definition
 p = E / c
Term
 DeBroglie Particle Wavelength
Definition
 λ = h / p
Term
 Definition of Velocity
Definition
 v = Δx / Δt
Term
 Definition of acceleration
Definition
 a = Δv / Δt
Term
 Final velocity from initial velocity, time, and acceleration(Kinematics)
Definition
 v = vo + at
Term
 Final velocity based on initial velocity, acceleration, and position(Kinematics)
Definition
 v2 = vo2 + 2ax
Term
 Position based on initial velocity, time, and acceleration(Kinematics)
Definition
 x = vot + .5at2
Term
 Position based on time, initial velocity, and final velocity(Kinematics)
Definition
 x = t [(vo + v) / 2]
Term
 Newton's 2nd Law
Definition
 ΣF = ma
Term
 Definition of Weight
Definition
 Fg = mg
Term
 Coefficient of friction
Definition
 Ffric = μFn
Term
 Centripetal acceleration
Definition
 ac = v2 / r
Term
 Newton's Law of universal gravitation
Definition
 Fg = Gm1m2 / r2
Term
 Definition of Work
Definition
 w = FdCosΘ
Term
 Definition of Kinetic Energy
Definition
 KE = .5mv2
Term
 Work-KE theorem
Definition
 Wnet = ΔKE
Term
 Definition of Gravitational Potential Energy
Definition
 PEg = mgh
Term
 Law of Conservation of Mechanical Energy
Definition
 KEi + PEi = KEf + PEf
Term
 Definition of Power
Definition
 P = w / t
Term
 Definition of Momentum
Definition
 p = mv
Term
 Impulse-Momentum Theorum
Definition
 FΔt = Δp
Term
 Law of Conservation of Momentum
Definition
 m1v1i + m2v2i = m1v1f + m2v2f
Term
 Momentum Conservation for Elastic Collisions
Definition
 v1i + v1f = v2i + v2f
Term
 Definition of Torque
Definition
 T = rFSinΘ
Term
 Two conditions for Static Equilibrium
Definition
 ∑T = 0∑F = 0
Term
 Definition of Density
Definition
 ρ = m / V
Term
 Definition of Presure
Definition
 P = F / A
Term
 Guage Pressure
Definition
 P = ρgh
Term
 Absolute Pressure
Definition
 P = Po + ρgh
Term
 Pascal's Principle
Definition
 F1 / A1 = F2 / A2
Term
 Archimedes' Principle
Definition
 Fb = ρVg
Term
 Continuity Equation
Definition
 A1v1 = A2v2
Term
 Volume Flow Rate
Definition
 Vo / t = Av
Term
 Hooke's Law
Definition
 F = -kx
Term
 Definition of Elastic Potential Energy
Definition
 PEs = .5kx2
Term
 Period of a Mass-Spring
Definition
 T = 2Π √(m / k)
Term
 SHM Position as a Function of Time
Definition
 x = ACos(2Πft)
Term
 Period of a Pendulum
Definition
 T = 2Π√(L / g)
Term
 Wave Speed
Definition
 v = fλ
Term
 Fundamental Frequency for String/Open pipe
Definition
 f = v / 2L
Term
 Fundamental Frequency for a Closed Pipe
Definition
 f = v / 4L
Term
 Ideal Gas Law
Definition
 PV = nRT
Term
 Thermal expansion
Definition
 ΔL = αLoΔT
Term
 Rate of Heat Conduction
Definition
 H = kAΔT / L
Term
 Relationship between Temperature and Kinetic Energy
Definition
 Kavg = 1.5kBT
Term
 RMS Speed
Definition
 vrms = √(3RT / M)
Term
 First Law of Thermodynamics
Definition
 Δu = Q + w
Term
 Work done by a gas
Definition
 w = -PΔv
Term
 Efficiency of a Carnot Engine
Definition
 e = (TH - TC) / TH
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