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Again, for some odd reason, people...

Apr2211 05:26 AM
ZapperZ

1 
41,686 
A plane is inclined at an angle A to the horizontal. A particle is projected up the plane with a velocity u at an...

Feb1711 09:58 AM
hologramANDY

1 
2,255 
Does anyone know figures for Diffusivity (diffusion coefficients) for two gases at different temperatures.
Such as...

Feb911 01:35 PM
capanni

1 
2,836 
Hi all. I hope to have a better understanding of the consequence of introducing high heat on water in a hot water...

Jan2511 07:06 AM
810F250

1 
1,743 
a barmagnet seems to be a densly winded solenoid just with the exception that the field of the solenoid is allmost...

Jan2511 11:28 AM
timthereaper

1 
1,427 
Hello
I am trying to understand some fluid mechanics
I have two parallel infinite plates with fluid between the...

Jan2411 03:27 PM
Andy Resnick

1 
2,236 
Given two bodies where GM/x^2=A and Gm/x^2=a, how might one model the acceleration of either bodies as a function of...

Jan2511 12:03 PM
timthereaper

1 
626 
I would be grateful for your help with a small project I am involved in at work. I would like to set up an excel...

Jan2611 06:29 AM
lalbatros

1 
1,307 
The problem I am having is that I cannot seem to find the magnetomotive force of a permanent magnet. Most material...

Jan2711 09:24 AM
WarpedWatch

1 
1,665 
Hello, I have just completed a physics lab in which I was trying to prove that the potential difference across a...

Jan2711 01:56 PM
Doc Al

1 
1,279 
Oops

Jan2811 01:55 AM
study.bug

1 
684 
Very few textbooks cover gaussian integrals effectively. This isn't a big deal as they are easy to locate in integral...

Jan2911 01:50 PM
Meir Achuz

1 
1,192 
hey guys! we know that velocity of a wave = wavelength x frequency. and speed of light changes with change in optical...

Jan2811 02:38 PM
Andy Resnick

1 
1,572 
Can somebody explain to me the differences between the ensembles, and how does this differences refer to experiment?
...

Jan2911 03:58 PM
paweld

1 
8,858 
I am hoping someone here has experience with permanent magnets. I have a theory on how to size a permanent magnet for...

Jan3011 08:59 PM
Phrak

1 
2,744 
I've always noticed something strange about new york city subways. When they start to slow down, you feel a force...

Feb111 05:23 AM
russ_watters

1 
702 
We know that with motion of charge m.field is produce but what will happen to its E.field during motion.
Is it will...

Feb111 10:27 AM
jtbell

1 
656 
Consider having a hollow silicone tube of 7 mm diameter and a wall thickness of 1.5 mm. There are two copper foil...

Feb111 10:21 AM
nasu

1 
438 
Consider an positive electric field and a positive charge, q inside this field. Suppose the FIELD does work on this...

Feb211 08:47 AM
MaxwellsDemon

1 
2,450 
I don't seem to grasp the meaning of boundary conditions for Laplace's equation.
Consider the Lagendre expansion of...

Feb411 04:27 AM
IFNT

1 
1,113 
Why do non Newtonian fluids such as the cornstarch and water mixture respond to stress the way they do? What prompts...

Feb411 07:01 AM
Spinnor

1 
905 
Firstly, let me excuse myself for not knowing the most appropriate location to post this question. This is a question...

Feb411 01:59 AM
Sane

1 
967 
Can anyone give suggest me a science project which is award winning,easy & cheap.

Feb411 11:48 AM
schip666!

1 
948 
Let's say I have a point dipole (as an approximation for an atom) at the origin and it oscillates in the z axis. The...

Feb411 04:23 PM
G01

1 
3,321 
Suppose I have a wire with a net charge (lets say negative) in a uniform electric field from another source, such that...

Feb411 06:22 PM
ednobj

1 
1,294 
While researching for a problem that I wanted to solve i came upon the fact that there is no way to truly calculate...

Feb511 06:32 AM
nhmllr

1 
2,429 
A plank of mass m1 with a bar of mass m2 placed on it lies on a smooth horizontal plane. A horizontal force growing...

Feb511 12:07 PM
dharavsolanki

1 
705 
EDIT: I just realized I have to use the tension as the force and not simply mg. It's been a while since I dealt with...

Feb511 07:57 PM
rcgldr

1 
3,798 
Let's say you have two pulses from the same source, one whose phase is slightly delayed relative to the other one....

Feb711 06:59 PM
Manchot

1 
1,049 
Imagine for a moment a steel core with no air gap, that is driven to saturation by a powerful permanent magnet....

Feb611 02:31 PM
pallidin

1 
1,307 
Can anyone please explain the concepts of scalar and vector potential and how they can be used to derive the wave...

Feb811 05:07 PM
failexam

1 
593 
What exactly does "fixed volume" mean in thermodynamics, for a liquid? Does it mean that the container volume is...

Feb911 11:33 AM
Studiot

1 
3,862 
Hi,
I am trying to calculate the amount of heat required to raise the temperature of a
rubber sphere by 20...

Feb1011 09:39 AM
thepok

1 
832 
Can "smoke" ring be blown with only air (withouth smoke) in cold?

Feb1211 11:08 AM
klimatos

1 
958 
This is more of a concept that I am confused on.
IF there are 2 metals, one on top of the other, and they are...

Feb1011 05:40 PM
audilover

1 
1,189 
when light is reflected on a surface, there is always going to be some absorbsion by the reflective material. what i'm...

Feb1111 06:50 PM
Drakkith

1 
901 
We have 1.400.000.000 km³ water which would become 2.24E12 km³ of water vapour.
Does anyone know how much the earth...

Feb1311 04:08 PM
klimatos

1 
629 
In a double slit, when the distance between the screen is NOT small (i.e. the rays r1 and r2 are not parallel) how is...

Feb1411 01:06 AM
RedX

1 
994 
So I have a spring problem where I have two masses and three springs hanging down from a ceiling. Each spring has a...

Feb1511 09:52 AM
AlephZero

1 
1,470 
Hi,
I need expand a spherical function(real function not a complex function) in terms of spherical harmonics....

Feb1511 07:34 AM
DrDu

1 
1,732 
Of course, the second law of thermodynamics implies that all closed systems will go from a state of state of order to...

Feb1611 02:48 AM
Filip Larsen

1 
2,288 