# Physics AP review formulas

### 87 terms by Larka

#### Study  only

Flashcards Flashcards

Scatter Scatter

Scatter Scatter

## Create a new folder

I have used parantheses to group variables/constants with any sub letters theta is spelled delta is spelled square root is sqrt() mu is spelled

V = (Vo) + at

### second kinematic

delta x = (Vo)t + .5at^2

### third kinematic

V^2=(Vo)^2 +2a*change in x

GM*M/(r^2)

K |q||Q|/r^2

G M/((d/2)^2)

.5KA^2

.5mV^2 + .5KA^2

2Pi * sqrt(l/g)

J= Ft

mV-m(Vo)

L-LCostheta

no heat flow

### isobaric

constant pressure

no temp change

constant volume

MC(deltaT)

M(Lf)

n(Cv)(deltaT)

deltaU -deltaW

(Wnet)/(Qin)

### formula for efficiency not using work out

((Qin)-(Qout))/(Qin)

((Th)-(Tl))/(Th)

opposite motion

(Fn)(mu)

mgCostheta(mu)d

V+IR

### equation for the first law of thermodynamics

deltaU = deltaQ + deltaW

h/mv

(3/2)nRdeltaT

h/wavelength

(EMF)Rt/10

BLv

(I^2)R

VI

(V^2)/R

FV

BA

### new wavelength of light as it enters a new substance

(No)(wavelength)=(Nn)(new wavelength)

### new frequency of light as it enters a new substance

frequency never changes for light problems

h(Fo)

(I^2)RT

Joules/Columb

0

Ed=V

Q=CV

### energy stored in a capacitor

.5CV^2 or .5 Q^2/C or .5QV

k|Q|/r^2

KQ/r

### formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known

(hc/wavelength)=h(Fo) +(Vs)

qV

KI/r

qrB/m

m(v^2)/qvB

Columbs/second

joules/second

qE

### the force on a charge moving parallel to a magnetic field

no force (right hand rule)

roegh

### formula to find the absoluate pressure at the bottom of a pool

(Patm) + (Pgauge)

AV=(A2)(V2)

F/A

rF

sqrt(T/(m/))

(V^2)/r

### work energy theorum

net work = delta K

### total capacitance of capacitors in series

1/((1/C)+(1/C)..........)

sqrt(3KT/m)

### snells law

nSintheta=nsintheta

e=mc^2

hc/wavelength

### lens/mirror equation

(1/Do) + (1/Di) = (1/f)

1/2wavelength

1/4wavelength

pL/A

qVB

### magnification equation

(Di)/(Do) or (Hi)/(Ho)

### formula for constructive interference in a diffraction grating (the chart!)

dSintheta=mwavelength

roeVg

(N2)/(N1)

### hooke's law

force of a spring = -KA

E/B

d/2

2nt=mwavelength

### type of collision where K is conserved

elastic collision

### type of collision where K is not conserved

inelastic collision

### type of collision where objects stick togerther

perfectly inelastic collision

Example: