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Again, for some odd reason, people...

Apr2211 05:26 AM
ZapperZ

1 
47,867 
Hi, I'm looking for some help in calculating the amount of force from natural gas exploding. Part of the problem is...

Mar3008 04:26 PM
Lojzek

1 
778 
Now suppose we have two conductors A and B. A has a charge of +2 and B has a charge of +8. If we let the two...

Mar3008 01:56 PM
DaleSpam

5 
1,186 
I am having a problem with some thermodynamics calculations. I am not very experienced with them and it certainly...

Mar3008 12:49 PM
lilrex

0 
932 
Hello
I attach a question (PDFfile) which I found in an old physics book, I printed the question and regenerated...

Mar3008 10:48 AM
Lory73

4 
1,024 
Question on Magnetic polarization
Is it possible to hear/record the sound created by the shifting of the alignment...

Mar3008 10:15 AM
Lojzek

1 
986 
Many of us have seen how to find a vector satisfying the following conditions (i) magnitude is m (ii) makes angles...

Mar3008 07:26 AM
mr.survive

13 
8,191 
Well, I think this one is pretty simple, but still, I don't know how to solve it.
We all know that for uniform...

Mar3008 06:58 AM
mr.survive

3 
935 
It's widely known that the electromagnetic wave equation admits of timeadvanced as well as timeretarded solutions,...

Mar2908 09:32 PM
DaveLush

0 
543 
I am writing an essay in which I try to describe Centripetal Force to a layperson. Since I am a layperson myself, I...

Mar2908 07:32 PM
Hootenanny

11 
2,562 
If F denotes the central force and is given as the inverse of the square distance
F=k/r^2. where k>0. How can i show...

Mar2808 09:24 PM
Shooting Star

1 
951 
My professor brought this up in class the other day, but has yet to elaborate on it and i can't stop thinking about...

Mar2808 01:28 AM
harshant

6 
2,833 
As I've been studying up on EM radiation, I've come to the conclusion that radio and light waves are not the same...

Mar2708 03:53 PM
mikelepore

18 
16,999 
Hi, I was just going over some equations for velocity with respect to bodies revolving around the sun. I wanted to...

Mar2708 09:56 AM
Anastomosis

4 
4,859 
Hello to everybody!
I would like to find out how valves work but I can`t find detailed information through Google. ...

Mar2708 09:10 AM
Samwel

8 
2,413 
An infinite string with linear charge density \lambda is put parallel to the axis of an infinite conducting grounded...

Mar2708 07:14 AM
pam

3 
1,681 
Ok, let me try to state this properly (I don't know much about this, so try to understand what I am trying to say...

Mar2708 03:13 AM
kenewbie

2 
981 
Let us consider a lift which is moving with a constant acceleration with a man inside. Now we know that the man...

Mar2608 06:55 PM
DaleSpam

8 
4,260 
Some examples in text book make me confused when these two works are discussed at the same time.
One of the works...

Mar2508 12:42 PM
variation

4 
1,088 
Hi, I have some questions about this equation.
P + (1/2)mv^2 + mgh = constant.
So obviously (1/2)mv^2 is the...

Mar2508 08:34 AM
optrix

13 
3,025 
Hi,
This is my question:
why is in the middle of ice, white ?
(have you noticed ?)
I guess the reason must be...

Mar2508 08:00 AM
Andy Resnick

4 
2,061 
It is often said that Maxwell's equations in differential form hold in special relativity while Maxwell's equations in...

Mar2408 04:41 PM
elivil

0 
1,146 
I've been trying to figure out how I can start with the NavierStokes equation and end up at the Reynolds Transport...

Mar2408 07:58 AM
Andy Resnick

2 
2,053 
I read that charge resides on the outer surface of a charged (electrically) body. Is it meant only for charged...

Mar2408 12:15 AM
manjuvenamma

7 
3,175 
What exactly is meant by universal law? I have read in a book a that Ohm's law is not a univeral law. I somewhat...

Mar2308 08:31 PM
DaleSpam

15 
3,264 
can someone explain the the relationship these have to each other? i know that they are either proportional or...

Mar2308 10:52 AM
tommy1

2 
2,501 
1. Feynman says all of electromagnetism follows from Maxwell equations.
2. Somebody (Pointing to a Feynman diagram of...

Mar2308 08:21 AM
jostpuur

1 
2,015 
hi
in what direction does the electrostatic force act when we insert a dielectric within a capacitor? and when we...

Mar2208 09:10 PM
optrix

2 
1,936 
Hi, I'm trying to build a physics simulator right now its just doing launching an object a a certain velocity and...

Mar2208 04:59 PM
D H

4 
3,158 
I have read that hot gases flow better than cold gases.
Why is this so? Less dense? Any good readings on it.
I...

Mar2208 03:17 AM
mikelepore

6 
5,631 
Why entropy is a state function ?

Mar2108 12:53 AM
nicksauce

1 
806 
I always wondered why time wasn't more of an issue in thermodynamics. for example, if I have a metal at temperature...

Mar2108 12:45 AM
unica

17 
3,232 
hello everyone
Consider extinction coefficient k, n becomes N=nik.
the text book says NsinA=N'sinB still holds...

Mar2008 10:28 PM
zhanghe

5 
6,957 
The Bernoulli Equation for nonuniform flows have a constant at the kinetic energy term which describes the velocity...

Mar2008 02:47 PM
Link

4 
6,023 
Ok so i have looked and looked for a simple way to under stand how to find drag using the coefficient of drag.
the...

Mar2008 01:34 PM
Cyrus

5 
1,397 
Are "direction of force" and "plane of application" valid concepts in mechanical physics, or are these terms I've made...

Mar2008 01:17 AM
Cyrus

4 
4,979 
Let us charge a capacitor and disconnect it from the battery. Let the capacitance, charge and voltage of the...

Mar2008 12:29 AM
manjuvenamma

5 
1,177 
Hi All!
I was hoping you guys might be able to point me in the right direction...
I'm after a online calculator...

Mar2008 12:07 AM
Integral

2 
10,632 
Hello everyone, I am dealing with a tough problem. I place a pencil on the edge of a table and I hit it. I want it to...

Mar1908 07:22 PM
wysard

15 
2,066 
Hello All,
I have had some interest in the effects of rotating magnetic fields and was doing some research on the...

Mar1908 06:05 PM
Jdo300

0 
1,629 
So, I believe I've got the math part down but, I'm having trouble understanding the theory. Can someone briefly...

Mar1908 04:22 PM
mikelepore

2 
2,879 