PHYSICS FORMULAS 07 17 2010 - Think Educationthinkmcat.com/uploads/PHYSICS_FORMULAS_.pdf · PHYSICS...
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PHYSICS FORMULAS ThinkMCAT.com v f = v o + at v f 2 = v o 2 + 2ad d = 1 / 2 at 2 + v o t F = ma F= mv 2 /r F = G (m o m p ) r 2 τ = rF W = Fd W = ΔKE W = PΔV P = IV = i 2 R P = watt = J / s = W / s = E / s E T = U + KE KE = 1 / 2 mv 2 U = mgh F f = μN J = I = Δmv = FΔt m 1 v 1 + m 2 v 2 … = m 1 v 1 ’ + m 2 v 2 ’ … 1 / 2 m 1 v 1 2 + 1 / 2 m 2 v 2 2 … = 1 / 2 m 1 v 1 2’ + 1 / 2 m 2 v 2 2’ … n 1 sinθ 1 = n 2 sinθ 2 N = c / v m = - i / o + - F Convergent divergent I Real virtual O Always never M Erect inverted 1 / f = 1 / o + 1 / i Lens Mirrors Convergent convex concave Divergent concave convex C α A / d C = Q / V ΔG = -NFE = -RT lnK eq ΔS = ΔS products – ΔS reactants ΔH = H products - H reactants E = hf f = 1 / T v = f λ λ = 2L/N λ = 4L/ N v sound = 330 m / s f observed = f actual v ± v detector v -/+v source β = m o i Linear 2πr Wire β = m o i Circular 2r Wire F = iLBsinθ F = qVBsinθ U = k qQ r V = k Q r F = k q 1 q 2 r 2 V = Ed V = U / q E = F / q i = Δq Δt Y = stress strain V = iR R series = R 1 + R 2 … 1 = 1 + 1 … R parallel R 1 R 2 C parallel = C 1 + C 2 … 1 = 1 + 1 C series C 1 C 2 ω = √ g / l = 2πf ω = √ k / m = 2πf F = -kx U = 1 / 2 kx 2 v light = 3 x 10 8 m / s U = + Q + W A 1 V 1 = A 2 V 2 F bouyant = ρvg ρ 1 + 1 / 2 ρv 2 + ρgh = ρ 2 + 1 / 2 ρv 2 + ρgh P H = ρgh + P o P = F / A α, β, β (positron) , ɤ % remaining = 1/2 n Newton’s Three Laws 1) Inertia: a body in motion stays in motion unless acted upon by an outside force 2) F = ma 3) Every action has an equal and opposite reaction Motion Planets Torque Work Power Energy Collisions Light Capacitance Waves Electrics & Magnetism Young’s Circuits Springs & Pendulums Fluids Radioactive Decay Thermodynamics
Transcript of PHYSICS FORMULAS 07 17 2010 - Think Educationthinkmcat.com/uploads/PHYSICS_FORMULAS_.pdf · PHYSICS...
PHYSICS FORMULAS
ThinkMCAT.com
vf = vo + at
vf2 = vo
2 + 2ad
d = 1/2 at
2 + vot
F = ma
F= mv2/r
F = G (momp)
r2
τ = rF
W = Fd
W = ∆KE
W = P∆V
P = IV = i2R
P = watt = J/s =
W/s =
E/s
ET = U + KE
KE = 1/2 mv
2
U = mgh
Ff = µN
J = I = ∆mv = F∆t
m1v1 + m2v2 … = m1v1’ + m2v2
’ …
1 /2 m1v1
2 +
1 /2 m2v2
2 … =
1/2 m1v1
2’ +
1/2 m2v2
2’…
n1 sinθ1 = n2sinθ2
N = c/v
m = - i
/ o
+ -
F Convergent divergent
I Real virtual
O Always never
M Erect inverted
1 / f =
1 / o +
1 / i
Lens Mirrors
Convergent
convex concave
Divergent
concave convex
C α A/d
C = Q
/V
∆G = -NFE = -RT lnKeq
∆S = ∆Sproducts – ∆Sreactants
∆H = Hproducts - Hreactants
E = hf
f = 1/T
v = f λ
λ = 2L/N
λ = 4L/N
vsound = 330 m
/s
fobserved = factual v ± vdetector
v -/+vsource
β = moi Linear
2πr Wire
β = moi Circular
2r Wire
F = iLBsinθ
F = qVBsinθ
U = k qQ
r
V = k Q
r
F = k q1q2
r2
V = Ed
V = U / q
E = F / q
i = ∆q
∆t
Y = stress
strain
V = iR
Rseries = R1 + R2 …
1 = 1 + 1 …
Rparallel R1 R2
Cparallel = C1 + C2 …
1 = 1 + 1
Cseries C1 C2
ω = √g / l = 2πf
ω = √k / m = 2πf
F = -kx
U = 1/2kx
2
vlight = 3 x 108 m
/s
U = + Q + W
A1V1 = A2V2
Fbouyant = ρvg
ρ1 + 1/2 ρv
2 + ρgh = ρ2 +
1/2 ρv
2 + ρgh
PH = ρgh + Po
P = F / A
α, β, β(positron), ɤ
% remaining = 1/2n
Newton’s Three Laws
1) Inertia: a body in motion stays in motion unless
acted upon by an outside force
2) F = ma
3) Every action has an equal and opposite reaction
Motion
Planets
Torque
Work
Power
Energy
Collisions
Light
Capacitance
Waves
Electrics & Magnetism
Young’s
Circuits
Springs & Pendulums
Fluids
Radioactive Decay
Thermodynamics
![Corel Ventura - D034-002 - Airline Hydraulics AND FORMULAS V • n • 10-3 Q = [l/min] ηv ∆p • V• ηm M = [Nm] 62.8 ∆p • V • n• ηt P = [kW] 612 • 1000 Note: the](https://static.fdocument.org/doc/165x107/5b33f2837f8b9a6b548b98a6/corel-ventura-d034-002-airline-hydraulics-and-formulas-v-n-10-3-q-.jpg)