How can we help?

You can also find more resources in our Help Center.

87 terms

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

first kinematic

V = (Vo) + at

second kinematic

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

third kinematic

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

force of gravity between two objects of mass m

GM*M/(r^2)

the electric force between two objects of charge Q

K |q||Q|/r^2

formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d

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

formula for energy of a spring mass when spring is at maximum displacement

.5KA^2

formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium

.5mV^2 + .5KA^2

formula for period of a pendulum

2Pi * sqrt(l/g)

formula for impluse involving time

J= Ft

formula for impulse involving momentum

mV-m(Vo)

formula for height of the block (at the start of a pendulum string) in terms of theta and L

L-LCostheta

adibatic

no heat flow

isobaric

constant pressure

isothermal

no temp change

isometric

constant volume

heat required to change temperature of a substance

MC(deltaT)

heat required to melt a substance

M(Lf)

heat during an isometric process

n(Cv)(deltaT)

heat during a cyclic process (net heat)

deltaU -deltaW

formula for efficiency of a heat engine using work out

(Wnet)/(Qin)

formula for efficiency not using work out

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

formula for Carnot efficiency

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

what direction is friction?

opposite motion

force of friction

(Fn)(mu)

force of frction on an incline

mgCostheta(mu)d

EMF of a battery having internal resistance R

V+IR

equation for the first law of thermodynamics

deltaU = deltaQ + deltaW

formula for the wavelength (debroglie wavelength) of a moving particle

h/mv

formula for change in internal energy in a cosnstat volume PV process

(3/2)nRdeltaT

formula for finding the momentum of a photon

h/wavelength

formula for current through the resistor when the ten coils are removed from the B field in an amount of time t

(EMF)Rt/10

voltage induced in a rod moving through a uniform magnetic field

BLv

formula for power with current and resistance

(I^2)R

formula for power with current and voltage

VI

formula for power with Voltage and resistance

(V^2)/R

forgotten power equation

FV

formula for finding magnetic flux

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

formula for finding the work function of a metal if the cutoff frequency is known

h(Fo)

formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known

(I^2)RT

units for voltage other than volts

Joules/Columb

change in internal energy during a cyclic process

0

formula relating voltage and electric field

Ed=V

formula for charge stored in a capciator

Q=CV

energy stored in a capacitor

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

electric field in a distance r from a charge

k|Q|/r^2

electric potential a distance r from a charge

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)

formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle

qV

formula for finding the magnetic field a distance r from a current carrying wire

KI/r

velocity of an electrion as it exitws from the hole

qrB/m

radius of curvature of a charged particle as it enters a uniform magnetic field

m(v^2)/qvB

the units of current other than amps

Columbs/second

the units of power other than watts

joules/second

the force on a charge in an electric field

qE

the force on a charge moving parallel to a magnetic field

no force (right hand rule)

formula to find the gauge pressure at the bottom of a pool

roegh

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

(Patm) + (Pgauge)

equation of continuity

AV=(A2)(V2)

pressure

F/A

formula for torque

rF

velocity of waves on a string if tension is known

sqrt(T/(m/))

formula for centripetal acceleration

(V^2)/r

work energy theorum

net work = delta K

total capacitance of capacitors in series

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

velocity of a molecule of gas

sqrt(3KT/m)

snells law

nSintheta=nsintheta

formula equating energy and mass

e=mc^2

energy of a photon if wavelength is known

hc/wavelength

lens/mirror equation

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

natural frequency of an open tube of length L

1/2wavelength

natural frequency of a closed tube of length L

1/4wavelength

resistance of a wire

pL/A

force a charge in a Bfield

qVB

magnification equation

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

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

dSintheta=mwavelength

formula for buoyant force

roeVg

formula for critical angle

(N2)/(N1)

hooke's law

force of a spring = -KA

velocity of a charge traveling at a constant veloc ity through crossed E and B fields

E/B

focal length of a mirror with radius d

d/2

formula for constructive interference in a thin membrane with two phase changes

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