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Again, for some odd reason, people...

Apr2211 05:26 AM
ZapperZ

1 
41,736 
I'm reading about the method of image charges at
http://en.wikipedia.org/wiki/Method_of_image_charges
The page...

Aug1007 08:35 AM
dimensionless

0 
3,362 
I need help to understand heating requirement in an incinerator meant for aqueous wastewater;
The wastewater is...

Aug1007 02:12 AM
mehtasoham

0 
1,297 
most problems on rotational mechanics which we do we are not provided with the rotational axis ...like in case of a...

Aug907 05:05 PM
BobG

11 
2,084 
Don't know if this is the right place for such a question...
I plotted these graphs based on data taken from the...

Aug907 04:01 PM
russ_watters

4 
1,495 
Hello,
I'm a medical student and a few days ago a rather interesting question arose when I was doing some research....

Aug907 12:11 PM
Thorr

0 
1,518 
when we say the current through a wire is uniform and is I what do we mean

Aug807 05:38 PM
olgranpappy

12 
1,242 
how does one experimentally check biotsavart's law

Aug807 02:15 PM
pardesi

5 
1,630 
http://img338.imageshack.us/img338/9050/polarizerya6.jpg
I apologize for my bad sketch.
Hi,
I need help...

Aug807 01:37 PM
Meir Achuz

1 
1,295 
From what I gathered in Heat transfer, an object in space, ie space shuttle, can only lose cabin heat through the...

Aug707 07:32 PM
bdrosd

2 
2,015 
I got my information on speeds of sound through various materials from this page:...

Aug707 02:29 PM
mgb_phys

1 
2,087 
I remember the discussion of resonance from physics class a long time ago because of the illustration of the collapse...

Aug707 02:22 PM
mgb_phys

1 
5,214 
Given the Hamiltonian of a system \mathcal H , could we obtain the curves solution to Hamilton equations X(t) Y(t)...

Aug707 01:55 PM
Klaus_Hoffmann

0 
973 
Hello.
First off, I'd like to mention that I'm new to this website, and I apologize if my question is in the wrong...

Aug707 04:07 AM
AlephZero

6 
1,493 
Hey guys,
I know how to do torque and forces for an object in equilibrium...but how do I know whether a torque is...

Aug607 06:07 AM
da_willem

1 
11,924 
Why do we accept newtons laws?
For every action, there is an equal and opposite reaction. why?
An object in motion...

Aug507 03:01 PM
alvaros

9 
1,580 
how does one prove this
if a system is rotating about three different perpendicular axes then
total kinetic energy...

Aug507 07:31 AM
olgranpappy

5 
1,576 
what really happens in the secondary refraction of light in a rainbow when it occurs ?
Do red and violet stil refract...

Aug507 06:14 AM
Doc Al

3 
1,261 
I'm reading a book (intro to, by Davidson) about MHD now, but found I'm a bit rusty on tensors and curvilinear...

Aug507 05:54 AM
da_willem

1 
2,815 
I was trying to figure this out on my own, probably more a trig question then math though. It''s been a few years...

Aug507 12:09 AM
steadierfooting

1 
1,302 
In my "living room lab", I have observed that oblique collisions between a moving handheld pingpong paddle and a...

Aug407 11:02 PM
Thomas12357

4 
2,348 
when we say that in pure rolling the speed of the point of contact is 0 do we really mean it's just absolutely 0 or is...

Aug407 08:48 AM
pardesi

14 
3,193 
we know
kinetic energy of a system from a certain frame of refrence is the sum of kinetic energy in the c.m framee...

Aug407 03:49 AM
jostpuur

3 
1,489 
One of my professors sent me an article on quantum optics in ultra thin semiconductors. In various graphs and text,...

Aug307 08:36 PM
kanzure

1 
2,875 
can someone tell me why this is true
\vec{F}=T(\frac{dy(x+\Delta x)}{dx}\frac{dy(x)}{dx})\cong...

Aug307 05:27 PM
ice109

7 
1,863 
Hi everyone,
I'm already familiar with, and have used Lagrangians and EulerLagrange equations. I'm interested in...

Aug307 11:54 AM
torstum

4 
2,480 
I would like to ask anybody who can help me to find some notes on the Carnot Cycle and the 2nd law of thermodynamics....

Aug307 07:12 AM
russ_watters

1 
3,401 
consider the plates ofa capacitor suppose u just have two capacitors connected in series then consider the two plates...

Aug107 11:17 PM
meopemuk

10 
2,169 
Does any of you have an idea of how to model the behavior of a bouncing ball with STELLA (ISEE Systems)? I have only...

Aug107 09:38 PM
topito2

1 
1,888 
If I'm a small particle in a liquid in temperature T, molecules from every direction collide in me f times per second,...

Aug107 04:00 PM
Ahmes

2 
3,402 
hi,
We see theoretical discussion of Electric field inside the charged capacitor is confined in the space...

Aug107 09:38 AM
jtbell

1 
1,584 
I have a question regarding the conservation of energy. If I were to push a medium sized box across a surface, I would...

Aug107 05:40 AM
russ_watters

4 
1,092 
I'm trying to model (purely for my own edification) the behavior of a rocket (specifically w.r.t. significant mass...

Jul3107 10:56 AM
rwalrus

0 
1,169 
Consider a two particle system:
 photon  massive particle 
 photon...

Jul3007 07:29 AM
cesiumfrog

6 
2,541 
A little or maybe its a lot, HELP! How do I go about getting the info to design a "cannon" probably black powder to...

Jul2907 12:06 AM
groundtester

12 
2,028 
see the file
the think that i don't understand is hoe to start studying the movement of multiple atom or spacial...

Jul2807 06:14 PM
hagopbul

0 
803 
I'm trying to write a small rigidbody physics program. I already have the linear forces part done, using Euler's...

Jul2707 11:03 AM
D H

1 
10,334 
I've read from several sources that says the inverse square law doesn't apply to lasers, but I've been told that it...

Jul2607 11:43 PM
cesiumfrog

13 
2,600 
my physics teacher told me that: 'for an object placed at the surface of the earth, the gravtitional force must be...

Jul2607 03:20 PM
country boy

12 
2,533 
is there a converse of uniqueness theorem for circuits have for charged conductors.
or atleast is there such a...

Jul2607 04:10 AM
pardesi

10 
2,066 
given any wave equation (linear or not) could we always find a solution.
\Psi (x,t)= f(xct)
is this the...

Jul2507 11:57 PM
olgranpappy

7 
1,828 