# Shared Flashcard Set

## Details

Formulas to Know for AP Physics Test
Formulas to memorize for AP Physics B multiple choice test.
30
Physics
05/16/2011

Term
 Power not using time
Definition
 P = FV
Term
 First Kinematic Equation
Definition
 V = Vo + at
Term
 Force on a current carrying wire in a B-field
Definition
 F = ILBsin θ
Term
 Electric potential R away from point charge Q
Definition
 PE = kQ/R
Term
 Impulse not using velocity
Definition
 ΔP = FΔt
Term
 Formula equating energy and mass
Definition
 E = mc^2
Term
 Formula for Carnot efficiency
Definition
 C = (Th - Tc)/Th
Term
 Terminal voltage of a battery having internal resistance R
Definition
 Vab = E - IR
Term
 Formula for change in heat in an isobaric process
Definition
 ΔQ = ΔU + W
Term
 Work-energy theorem
Definition
 W = ΔKE
Term
 Critical Angle
Definition
 sin θc = N2/N1
Term
 Formula for frictional force
Definition
 Ff= μmg
Term
 Capacitance of a capacitor if area of plates is known
Definition
 C = (EoA)/d
Term
 Formula relating charge and time
Definition
 I = Q/t
Term
 Formula for buoyant force if submerged volume is known
Definition
 Fb = ρvg
Term
 Formulaic definition of Work
Definition
 W = Fdcos θ
Term
 Period of a pendulum
Definition
 2π*sqrt(L/g)
Term
 Torque
Definition
 T = FLsin θ
Term
 Energy of a photon using wavelength
Definition
 E = hc/λ
Term
 Gauge pressure at the bottom of a swimming pool
Definition
 P = ρgh
Term
 Force of gravity between two objects with mass m
Definition
 F = Gm1m2/r^2
Term
 Energy stored in a capacitor
Definition
 E = (1/2)cv^2
Term
 Third Kinematic equation
Definition
 V^2 = 2aΔx + Vo^2
Term
 Spring potential energy
Definition
 (1/2)kx^2
Term
 First law of thermodynamics
Definition
 ΔU = W + Q
Term
 Electric potential energy of point charge q which is r meters from charge Q
Definition
 kqQ/r
Term
 Magnetic Flux
Definition
 Φ = Bacos θ
Term
 New wavelength of light when passing into a different medium
Definition
 λn = λ/n
Term
 Formula for energy of a spring-mass when spring is neither at maximum displacement nor at equilibrium
Definition
 E = (1/2)mv^2 + (1/2)kx^2 = (1/2)kA^2
Term
 Formula for finding the magnetic field a distance r from a current carrying wire
Definition
 B = UoI/2πr
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