PHYSICS FORMULAS

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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