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| force required to keep an object moving along a circular path (centripetal force) |
F(c) = mv²/r |
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noblejas Tue, 29 Apr 2008 23:41:20 GMT |
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| velocity and displacement relationship of an accelerating object |
v² = v₀²+2ax |
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noblejas Tue, 29 Apr 2008 23:41:20 GMT |
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| displacement and time relationship of an accelerating object |
x = ½at²+v₀t |
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noblejas Tue, 29 Apr 2008 23:41:19 GMT |
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| equivalence between energy and mass |
E₀ = mc² |
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noblejas Tue, 29 Apr 2008 23:33:33 GMT |
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| kinetic energy of electrons in the Photoelectric Effect measured from the Stopping Potential |
KE(max) = eV₀ |
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noblejas Tue, 29 Apr 2008 23:33:33 GMT |
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| energy involved in the photoelectric effect |
hf = ϕ + KE (max) |
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noblejas Tue, 29 Apr 2008 23:33:33 GMT |
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| wavelength of a particle |
λ=h/p |
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noblejas Tue, 29 Apr 2008 23:33:32 GMT |
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| momentum of a photon |
p = E/c |
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noblejas Tue, 29 Apr 2008 23:33:32 GMT |
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| energy of a photon |
E=hf |
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noblejas Tue, 29 Apr 2008 23:33:32 GMT |
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| approximation for small angles in Double and Single Slit experiments |
sinθ≈y/L |
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noblejas Tue, 29 Apr 2008 23:33:31 GMT |
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| angular position of a dark fringe in a Single Slit Experiment |
asinθ=nλ
n= 1, 2, 3,... |
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noblejas Tue, 29 Apr 2008 23:33:31 GMT |
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| angular position of a dark fringe in a Double Slit Experiment |
dsinθ= nλ/2
n = 1, 3, 5,... |
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noblejas Tue, 29 Apr 2008 23:33:30 GMT |
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| angular position of a bright fringe in a Double Slit Experiment |
dsinθ= nλ
n = 1, 2, 3,... |
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noblejas Tue, 29 Apr 2008 23:33:29 GMT |
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| magnification of an object based on the object and image distances from a mirror or lens |
M= -d(o)/d(i) |
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noblejas Tue, 29 Apr 2008 23:24:29 GMT |
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| relationship between object and image distances from a mirror or lens |
1/f = 1/d(o) + 1/d(i) |
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noblejas Tue, 29 Apr 2008 23:24:29 GMT |
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| minimum incident angle that will result in total internal reflection |
sinθ(c)=n₂/n₁ |
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noblejas Tue, 29 Apr 2008 23:24:28 GMT |
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| relationship between incident and refracted angles of light rays (Snell's Law) |
n₁sinθ₁=n₂sinθ₂ |
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noblejas Tue, 29 Apr 2008 23:24:28 GMT |
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| relationship between the wavelengths of a wave in different media |
λ₁n₁=λ₂n₂ |
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noblejas Tue, 29 Apr 2008 23:24:28 GMT |
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| definition of index of refraction |
n = c/v |
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noblejas Tue, 29 Apr 2008 23:24:28 GMT |
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| relationship between incident and reflected angles of light rays |
θ₁=θ₂ |
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noblejas Tue, 29 Apr 2008 23:24:28 GMT |
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| path difference required to create destructive interference |
∆L = nλ/2
n = 1, 3,5, ... |
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noblejas Tue, 29 Apr 2008 23:24:28 GMT |
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| path difference required to create constructive interference |
∆L = nλ
n = 1, 2, 3,... |
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noblejas Tue, 29 Apr 2008 23:24:28 GMT |
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| frequency required to create standing waves with one closed and one open end (air column) |
f(n) = nv/4L
n = 1, 3, 5,... |
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noblejas Tue, 29 Apr 2008 23:24:27 GMT |
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| frequency required to create standing waves with two closed (string) or two open ends (air column) |
f(n) = nv/2L
n = 1, 2, 3, ... |
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noblejas Tue, 29 Apr 2008 23:24:27 GMT |
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| physical factors that determine the speed of a wave on a string |
v=√(T/μ) |
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noblejas Tue, 29 Apr 2008 23:24:27 GMT |
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| frequency perceived by an observer due to the Doppler Effect |
f₀=f(s)(v±v(o)/v-+v(s)) |
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noblejas Tue, 29 Apr 2008 23:24:27 GMT |
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| relationship between the frequency, wavelength, and speed of a wave |
v=λf |
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noblejas Tue, 29 Apr 2008 23:24:27 GMT |
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| equation of a simple harmonic oscillator |
x=Asin(ωt) |
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noblejas Tue, 29 Apr 2008 23:24:26 GMT |
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| physical factors that determine the period of a pendulum |
T=2π√(l/g) |
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noblejas Tue, 29 Apr 2008 23:24:25 GMT |
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| physical factors that determine the period of a mass-spring system |
T=2π√(m/k) |
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noblejas Tue, 29 Apr 2008 23:11:20 GMT |
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| relationship between the frequency and angular frequency of an oscillator |
ω=2πf |
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noblejas Tue, 29 Apr 2008 23:11:20 GMT |
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| relationship between the frequency and period of an osciallator |
f=1/T |
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noblejas Tue, 29 Apr 2008 23:11:19 GMT |
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| force due to a spring |
F(s) = kx |
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noblejas Tue, 29 Apr 2008 23:11:19 GMT |
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| emf cased by a square loop with a movable side (motional emf) |
E=vBl |
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noblejas Tue, 29 Apr 2008 23:11:19 GMT |
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| emf caused by a changing flux about a loop (Faraday's Law) |
E=(N)∆Φ/∆t |
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noblejas Tue, 29 Apr 2008 23:11:19 GMT |
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| magnetic flux about a loop |
Φ=BAcosθ |
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noblejas Tue, 29 Apr 2008 23:11:19 GMT |
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| magnetic force on a current |
F = IBlsinθ |
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noblejas Tue, 29 Apr 2008 23:11:19 GMT |
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| magnetic force on a moving charge |
F = qvBsinθ |
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noblejas Tue, 29 Apr 2008 23:11:18 GMT |
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| magnetic field created by a wire loop |
B=μ₀I/2r |
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noblejas Tue, 29 Apr 2008 23:11:18 GMT |
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| magnetic field created by a straight wire |
B=μ₀I/2πr |
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noblejas Tue, 29 Apr 2008 23:11:18 GMT |
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| energy stored in a capacitor |
U = ½QV=½CV²=½Q²/C |
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noblejas Tue, 29 Apr 2008 23:11:17 GMT |
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| charge on a capacitor caused by a potential difference |
Q=CV |
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noblejas Tue, 29 Apr 2008 23:11:17 GMT |
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| physical factors that determine capacitance |
C=ε₀A/d |
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noblejas Tue, 29 Apr 2008 23:11:17 GMT |
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| power dissipated by a resistor |
P=IV=V²/R=I²R |
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noblejas Tue, 29 Apr 2008 23:11:17 GMT |
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| current through a resistor caused by a potential difference in a circuit (Ohm's Law) |
I=V/R |
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noblejas Tue, 29 Apr 2008 23:11:17 GMT |
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| current is defined as charge passing in a given amount of time |
I=∆Q/∆t |
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noblejas Tue, 29 Apr 2008 23:11:17 GMT |
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| physical factors that determine resistance |
R=ρl/A |
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noblejas Tue, 29 Apr 2008 23:11:16 GMT |
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| potential difference between 2 points in an electric field |
∆V=-Ed |
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noblejas Tue, 29 Apr 2008 23:11:16 GMT |
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| potential energy of a two charge system |
U = kq₁q₂/r² |
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noblejas Tue, 29 Apr 2008 23:11:15 GMT |
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| potential produced by a point charge |
V = kq₁/r |
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noblejas Tue, 29 Apr 2008 22:56:43 GMT |
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| potential energy of a point charge in a potential |
U = Vq₂ |
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noblejas Tue, 29 Apr 2008 22:56:20 GMT |
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| force on a charge in a field |
F(E) = Eq₂ |
3 |
noblejas Tue, 29 Apr 2008 22:55:49 GMT |
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| electric field produced by a point charge |
E =kq₁/r² |
2 |
noblejas Tue, 29 Apr 2008 22:54:59 GMT |
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| force between two charges (Coulomb's Law) |
F(E) kq₁q₂/r² |
2 |
noblejas Tue, 29 Apr 2008 22:55:22 GMT |
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| potential energy and work relationship |
∆U ≡ -W |
3 |
noblejas Tue, 29 Apr 2008 22:51:44 GMT |
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| horizontal force due to a surface while counteracting a force (static friction) |
F(s) ≤ μN |
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noblejas Tue, 29 Apr 2008 22:54:26 GMT |
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| power associated with a force applied to an object moving at constant velocity |
P= Fv |
1 |
noblejas Tue, 29 Apr 2008 22:50:46 GMT |
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| power associated with a change in energy |
P = ΔE/Δt |
1 |
noblejas Tue, 29 Apr 2008 22:49:58 GMT |
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| work done by a constant force |
W ≡ Fd (parallel) |
1 |
noblejas Tue, 29 Apr 2008 22:48:05 GMT |
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torque applied by a lever arm
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τ ≡ Fr (perpendicular) |
3 |
noblejas Tue, 29 Apr 2008 22:47:35 GMT |
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| acceleration due to Gravity on a surface of a planet |
g = Gm/r² |
1 |
noblejas Tue, 29 Apr 2008 22:47:10 GMT |
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| gravitational force between two objects (Newton's Law of Gravitation) |
F(g) = Gm₁m₂/r² |
1 |
noblejas Tue, 29 Apr 2008 22:46:46 GMT |
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| acceleration of an object moving along a circular path (centripetal acceleration) |
a(c) = v²/r |
2 |
noblejas Tue, 29 Apr 2008 22:46:08 GMT |
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| Momentum of an object |
p ≡ mv |
1 |
noblejas Tue, 29 Apr 2008 22:22:36 GMT |
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| Impulse applied to an object |
I ≡ F(Δt) |
1 |
noblejas Mon, 28 Apr 2008 18:48:35 GMT |
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| power associated with work done |
P = W/t
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2 |
noblejas Tue, 29 Apr 2008 22:44:56 GMT |
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| force due to a planet's gravity (Weight) |
w = mg |
1 |
noblejas Mon, 28 Apr 2008 18:47:32 GMT |
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| horizontal force due to surface while counteracting a force (static friction) |
F(s) ≤ μ(s)N |
1 |
noblejas Mon, 28 Apr 2008 18:46:43 GMT |
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| horizontal force due to a surface while sliding (static friction) |
F(k) = μ(k)N |
2 |
noblejas Mon, 28 Apr 2008 18:45:54 GMT |
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| gravitational potential energy of a object on the surface of a planet |
U = mgh |
2 |
noblejas Tue, 29 Apr 2008 22:51:58 GMT |
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| Kinetic Energy of an object |
KE ≡ ½mv² |
2 |
noblejas Mon, 28 Apr 2008 18:44:07 GMT |
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| change in energy caused by work (Work-Kinetic Energy Theorem) |
W=∆KE |
1 |
noblejas Mon, 28 Apr 2008 18:43:54 GMT |
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| change in momentum due to an impulse (Impulse-Momentum Theorem) |
I = ∆p |
1 |
noblejas Mon, 28 Apr 2008 18:43:18 GMT |
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| acceleration caused by a net force on an object (2nd Law) |
a = F(net)/m |
1 |
noblejas Mon, 28 Apr 2008 18:41:26 GMT |
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| velocity and time relationship of an accelerating object |
v = v₀ + at |
2 |
noblejas Mon, 28 Apr 2008 18:42:21 GMT |
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| displacement and time relationship of an object in constant velocity |
x = vt |
2 |
noblejas Mon, 28 Apr 2008 18:40:53 GMT |
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