###
v=v. + at

change in velocity

###
x=x.+v.t+(.5at²)

Change in x for two dimentional motion

###
v²=v.² + 2a(x-x.)

Change in velocity during acclerated motion

###
(1/2)kx²

Potential energy of spring

###
2¶√(m/k)

Period of spring

###
2¶√(l/g)

Period of pendulum

###
Gmm/r²

Force of gravity between two masses

###
Gmm/r

Potential energy between two masses

###
E/q

Force on charge by electric field

###
qV

Potential energy of charge

###
IR

Potential Difference (V)

###
C+C+C+C+C....

Total Capacitance in parallel

###
(1/C)+(1/C)+(1/C)+...=(1/Ctotal)

Total Capacitance (Series)

###
R+R+R+R....

Total Resistance (Series)

###
(1/R)+(1/R)+(1/R)+...=(1/Rtotal)

Total Resistance in Parallel

###
qvBsinø

Force of B field on charged particle

###
BI l sinø

Force of B field on wire

###
Magnetic Flux/t

Electro Magnetic Force

###
Blv

Electro magnetic Force (l is length of bar, v is velocity of bar)

###
Av=Av

initial Av is equal to final Av (Area and velocity initial is equivelent to final A and v)

###
P+pgy+½pv²

Constant (Bernoulli's Equation)

###
PV=nRT

Ideal Gass equation

###
√(3RT/M)

root mean square velocity

###
Q+W

Total internal energy

###
fý (ý=wavelength)

velocity

###
c/v

intdex of refraction (n)

###
nsinø=nsinø

Refraction equation(by seting one side to 90 you can find the critical angle)

###
n final/n initial

sin of critical angle

###
(1/di)+(1/do)=1/f

Mirors and lenses

###
Convex lenses f is

positive

###
diverging lenses f is

negative

###
R/2 (R is radius of curvature)

Focal point

###
W=0 constant volume

isochoric process

###
W=p(V-V.) constant pressure

isobaric process

###
W=Q constant temp

Isothermal process

###
Th-Tc/Th

Thermal efficiency of carnot engine

###
Kinetic energy is conserved

Elastic collision

###
Kinetic energy is not conserved

Inelastic collision

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