A.P. Physics Equations

96 terms by francoise_karl

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v=v₀+at

Kinematics: final velocity (v)

x=v₀t+½at²

Kinematics: displacement (x)

v²=v₀²+2ax

Kinematics: velocity² (v²)

Range=v₀²sin2θ/g

Kinematics: Range equation-must start and end at same height

F=ma

Dynamics: Newton's 2nd Law (F)

W=mg

Dynamics: Weight (W)

F=µFn

Dynamics: Frictional Force (F)

F=k∆x

Dynamics: Hooke's Law/Spring Force (F)

W=Fdcosθ

Work and Energy: Work (W)

KE=½mv²

Work and Energy: Kinetic Energy (KE)

PE=mgh

Work and Energy: Potential Energy (PE)

PE=½kx²

Work and Energy: Potential Energy Spring (PE)

W=∆KE

Work-Energy Theorum (W)

Power=W/t

Work and Energy: Power

p=mv

Work and Energy: Momentum (p)

∆p=F∆t

Work and Energy: Impulse (∆p)

a=v²/r

Circular motion: centripital acceleration (a)

T=1/f

Circular motion: Period (relating to frequency) (T)

v=2πr/t

Circular motion: velocity (v)

F=mv²/r

Circular motion: centripital force (F)

tanθ=v²/rg

Circular motion: relationship for banked curve

F=Gm₁m₂/r²

Circular motion: law of universal gravitation (F)

v=√A√k/m

Circular motion: maximum velocity spring (v)

v=±vmax√1−x²/A²

Circular motion: velocity at any position spring (v)

T=2π√m/k

Circular motion: Period spring (T)

x=Acos(2πft)

Circular motion: position spring (x)

F=−mgx/L

Circular motion: force pendulum (F)

T=2π√L/g

Circular motion: Period of pendulum when θ<15° (T)

T=rF

Circular motion: Torque (T)

PV=nRT

Thermodynamics: Ideal Gas Law

KE=3/2RT

Thermodynamics: Kinetic Energy for one mole of gas (KE)

∆u=Q+W

Thermodynamics: change in internal energy (∆u)

u=3/2nRT

Thermodynamics: internal energy (u)

W=−P∆V

Thermodynamics: Work for Isobaric process (W)

W=−Q

Thermodynamics: Work for Isothermal process (W)

W=0

Thermodynamics: Work for Isovolumetric process (W)

W=∆u

Thermodynamics: Work for Adiabatic Process (W)

e=Qh−Qc/Qh

Thermodynamics: Efficiency (e)

Q=mC∆T

Thermodynamics: heat transfer (Q)

H=kA∆T/L

Thermodynamics: Rate of heat transfer (H)

∆L=αL₀∆T

Thermodynamics: Thermal expansion in liquids and solids (∆L)

∆V=βV₀∆T

Thermodynamics: Volume Expansion (∆V)

c=λf

Atomic and Nuclear: relationship b/w wavelenght and frequency

E=hf

Atomic and Nuclear: Planck's equation, relationship between energy and frequency (E)

W₀=hf−KEmax

Atomic and nuclear: Work function (W₀)

p=h/λ

Atomic and nuclear: momentum of light (p)

λ=h/mv

Atomic and nuclear: deBroglie wavelength (λ)

P=F/A

Fluid mechanics: Pressure (P)

P=ρgh

Fluid mechanics: Hydrostatic pressure (P)

F=ρVg

Fluid mechanics: Buoyant force (F)

f=Av

Fluid mechanics: flow rate (f)

A₁v₁=A₂v₂

Fluid mechanics: Continuity equation flow rate

ρ+ρgy+½ρv²

Fluid mechanics: Bernoulli's equation (constant)

v=√2gh

Fluid mechanics: rate that liquid flows out of hole (v)

n₁sinθ₁=n₂sinθ₂

Waves and optics: Snell's law refraction

n=c/v

Waves and optics: index of refraction (n)

1/d₀+1/d₁=1/f

waves and optics: thin lens equation

m=h₁/h₀=−d₁/d₀

waves and optics: magnification

f=½r

waves and optics: focal length for concave mirror (f)

dsinθ=mλ

waves and optics: constructive interference

dsinθ=(m+½)λ

waves and optics: deconsrtuctive interference

x=mλL/d

waves and optics: distance on screen in double-slit experiment (x)

N=1/d

waves and optics: diffraction grating (N)

2nt=(m+½)λ

waves and optics: Thin films constructive 1 phase reversal or deconstructive 0 or 2 phase reversal

2nt=mλ

waves and optics: thin films constructive 0 or 2 phase reversal or deconstuctive 1 phase reversal

v=331+.6T

waves and optics: speed of sound (v)

f=nv/2L

waves and optics: string instrument frequency (f) n=1,2,3...

v=√F/m/L

waves and optics: string instrument velocity (v)

f=nv/2L

waves and optics: wind instrument open tube frequency (f) n=1,2,3...

f=nv/4L

waves and optics: wind instrument closed tube frequency (f) n=1,3,5...

F=kq₁q₂/r²

electricity: electric force (F)

E=kq/r²

electricity: electric field (E)

∆PE=−qEd

electricity: change in potential energy for UNIFORM electric field (∆PE)

∆V=∆PE/q

electricity: electric potential difference (∆V)

∆V=−Ed

electricity: electric potential difference for UNIFORM electric field (∆V)

V=kq/r

electricity: electric potential for POINT CHARGE (V)

Q=CV

electricity: charge stored in capacitor (Q)

C=ε₀A/d

electricity: capitance (C)

∆PE=½QV

electricity: change in potential energy in capacitor (∆PE)

V=IR

electricity: Ohm's law (V)

R=ρL/A

electricity: resistance of material (R)

P=IV

electricity: Power (P)

R=∑R₁

electicity: resistance in series (R)

1/R=∑1/R₁

electricity: resistance in parallel (R)

I=∑I₁

electricity: current in parallel (I)

V=ε−IR

electricity: terminal voltage (V)

C=∑C₁

electricity: capacitors in parallel (C)

1/C=∑1/C₁

electricity: capactitors in series (C)

F=qvBsinθ

magnetism: magnetic force (F)

v=E/B

magnetism: velocity for particle in straight line in electric and magnetic field (v)

B=µ₀I/2πr

magnetism: magnetic field (B)

F=IlBsinθ

magnetism: magnetic force due to current (F)

F=µ₀I₁I₂l₂/2πr

magnetism: force on one wire due to another (F)

∅=BAcosθ

magnetism: magnetic flux (∅)

ε=−N∆∅/∆t

magnetism: emf (ε) *with flux in equation

ε=Blv

magnetism: emf (ε)

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