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Classical Physics

- Principles developed before the rise of relativity and quantum mechanics. Mechanics, Electrodynamics, Thermodynamics, Optics...
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Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. Again, for some odd reason, people...
Apr22-11 05:26 AM
ZapperZ
1 47,691
I have recently heard a rumor that a hollow pipe is less likely to bend under stress than a solid rod of similar...
Aug5-11 04:07 AM
xxChrisxx
8 26,772
Dear fellows since a long I have been puzzled by the cricket ball swing and reverse swing phenomenon. For fast bowlers...
Aug1-11 08:57 AM
jonny888
8 11,394
how does a cyclotron work?what can it be used to make? can it be made as a school project?
Aug6-11 03:15 AM
harrylin
8 1,824
So i've been studying optics on my own for about 2 months now and I am having a lot of trouble understanding what...
May18-11 07:13 PM
Ertosthnes
8 23,093
Can matrix representations of any higher order Clifford Alebras be found ?
Apr26-11 09:14 PM
sjhanjee
8 1,213
This is highly theoertical and I came up with it taking a standerized test. So with out further adoo, What would...
Apr27-11 07:55 PM
Rage Crank
8 1,399
Hi guys, I know the 2nd moment of area about the z axis is defined as the integral of y^2dA, where y is the...
Apr30-11 07:45 PM
ideasrule
8 2,701
Hello, Can anybody explain to me how does this: dQ=-X*dS*grad(T)*dt t being time and T being TD temperature....
May4-11 09:24 AM
Bassalisk
8 2,018
If you place a charge +q at the exact center of a conducting sphere, will it stay there or move to the surface?
May13-11 03:11 PM
Idoubt
8 1,557
i need to know how many degrees do i need to be able to find the kinetic energy of the molecule ?? and may i have a...
May17-11 06:32 AM
elabed haidar
8 5,116
Setting gravitational potential energy's zero at infinity distance, is it safe to say that the limit as r approaches...
May17-11 07:37 PM
ZealScience
8 1,555
centrifugal pumps and blowers work on the same principal then why centrifugal pumps are needed to be primed but...
May18-11 05:36 AM
sophiecentaur
8 1,295
So I was thinking about the conservation of momentum. If you throw a handball at a wall, the wall will provide an...
May18-11 05:41 AM
sophiecentaur
8 4,119
I am pretty much curious to know what actually an electron is? How it is? What is CHARGE? Why there are two types of...
May23-11 02:43 PM
DaleSpam
8 1,735
Q) A closed chamber containing working refrigerator is pefectly insulated and d door of refrigerator is opened, wat ll...
May23-11 02:15 PM
S_Happens
8 1,583
Hi, So I've read that kinetic friction does not depend upon velocity, but that air resistance does depend upon...
May27-11 09:04 AM
ZealScience
8 3,266
While reading about Minkowski's description of the fourth dimension time axis, I saw that by taking the product of the...
May28-11 09:21 AM
lsimpson1943
8 1,591
hi i asked myself whether it is possible to solve the partial differential equation rot E=-dB/dt for the electric...
May28-11 02:42 PM
Gavroy
8 1,270
I understand that in a mass spectrometer, a particle will first pass through an accelerometer to pick up speed...
May29-11 07:42 PM
Redbelly98
8 1,100
Hi, I had a question in my exam at my college that I did not quite know how to answer. Why is the study of...
Jun13-11 04:24 AM
Born2bwire
8 1,247
I notice that sometimes there may be 2 ways of getting to the answer -- using energy, or "forces'. Can I always just...
Jun14-11 10:24 AM
I like Serena
8 1,677
Hi All, First off, everyone on this forum is amazing. Period. Second, I had a thought experiment the other day...
Jun16-11 06:01 PM
Drakkith
8 1,737
OK, if there was a boat with a magnet held in front of it by some sort of arch/crane attached to the boat would the...
Jun17-11 01:46 PM
berkeman
8 5,149
Hello. I have two string-bob pendulums of identical length and mass suspended on a loosely hanging rope. I set one...
Jun26-11 07:36 PM
Nirgal
8 2,011
Example: A conducting sphere X that has an initial charge of +2.0 ◊ 10–8 C and an identical conducting sphere Y that...
Jun27-11 08:00 AM
AceInfinity
8 1,918
A Changing Magnetic Field Produces Electricity. Suppose we build a huge coil in space and place a strong magnet in...
Jun28-11 12:19 AM
ARAVIND113122
8 2,355
Assuming that the sun is absolute black body, what portion of radiation coming from the sun, hits the earth? I know...
Jul2-11 11:49 PM
klimatos
8 1,623
http://img820.imageshack.us/img820/8610/triangler.jpg I know that if I could apply force F to meet in a single...
Jul5-11 01:05 PM
chrisbaird
8 1,729
If i built a vessel shaped as a water molecule and made it neutrally buoyant with a counter sink (for stability and...
Jul9-11 04:28 AM
aussie101
8 1,023
For electrostatic fields gauss law depends on three factors viz inverse square nature ,central character and principle...
Jul12-11 07:39 AM
Uglybb
8 2,417
Mentor comments: This thread was split from an OLD thread that was inadvertently resurrected from the dead. The...
Jul13-11 10:44 PM
cephron
8 2,106
Hello! I'm taking Thermodynamics I in the Fall, and I was wondering what topics are typically covered in the first...
Jul15-11 03:28 PM
Pythagorean
8 4,670
In geometrical optics we consider that an image is formed at the point where two rays meet. But meeting of two rays...
Jul25-11 06:39 AM
sophiecentaur
8 1,921
Curious your thoughts about the use of a Stirling engine to power a space station, auxiliary power for space ships...
Aug4-11 12:21 AM
Alfred2011
8 2,224
hi i am currently looking for a derivation of the differential cross section, that is not an abuse of mathematics,...
Jul26-11 12:54 PM
xts
8 3,336
How can random electron currents in the earth's core create a ordered magnetic field? What makes a current in the...
Aug1-11 08:09 AM
lufc88
8 1,944
Hi Suppose a particle is bouncing on a surface with a viscous damping coefficient... Question 1: The frictional...
Aug5-11 11:06 AM
kakarot1905
8 2,144
The definition of Δ (difference,drop of) Electrostatic Potential Energy (D E-PE) says it 'is the work done on a...
Aug13-11 08:00 AM
Evo
8 1,783
I am trying to understand birefringence effect. I have read many different sources online, but what I do not...
Aug16-11 09:34 AM
chrisbaird
8 1,970
Hi all. Trying to find electric field of a disk with a charge density of D and a radius R (let us assume it has a...
Aug18-11 06:24 PM
perplexabot
8 3,268

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