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Again, for some odd reason, people...

Apr2211 05:26 AM
ZapperZ

1 
48,198 
Can anyone help me to unerstand what tensors are in physics, a few basic examples would probably do, and how they...

Jan810 04:58 PM
venuprasanna

26 
4,002 
I was just reading my book when it said that the fact that newtons rings were always dark in the center where the lens...

Jan410 03:05 PM
MrFrankie

8 
4,647 
Not asking for a schematic, more a notion of roughly how challenging this will be.

Jan410 07:23 PM
YupHio

6 
7,086 
I understand the definition of an electric field as a property of space surrounding a charge, but what exactly is this...

Jan510 11:05 PM
qsa

25 
2,813 
Can we consider a stochastic process being chaotic?
consider evolution of only two particular systems with closed...

Jan610 02:21 PM
maxplankj

2 
1,947 
I am trying to understand how the concept of moment was introduced in physics. For example I don't understand how the...

Jan910 05:21 AM
tinytim

7 
4,064 
Hi
I am trying to work through the solution to the attached problem (see attachments). Now, I can't understand...

Jan810 05:43 PM
vertices

17 
2,478 
Hi friends
I know it's a very elementary question but i wat to know what centripital acceleration physically is?
I...

Jan710 12:13 PM
Doc Al

14 
1,947 
While reading through the Feynman Lectures on Physics (volume 1, number 28) I have come across the formula for the...

Jan410 04:04 PM
clem

2 
2,787 
I am a very mathematical person. I excel in my mathematics courses. In physics, on the other hand, I have always felt...

Jan710 12:19 AM
Prologue

16 
2,285 
What will be the path of a rod (of some mass and moment of inertia) in space if a rocket is attached at one end (at...

Jan510 08:35 AM
A.T.

1 
770 
If you spin on a chair with your arms and legs out and then pull them in, your rotation accelerates. What torque is...

Jan610 04:21 PM
DocZaius

26 
7,960 
I am trying to understand CM wrt QFT and found out that I need to understand the HJE. This brought me to reading about...

Jan410 09:47 PM
Dyson

3 
1,640 
It seems to me that it is highly likely that everything in the universe is acted upon by gravity, unremittingly. Since...

Jan810 01:12 AM
trogan

20 
3,508 
Trying to get my head around the velocity vector that a tennis ball goes after it is hit with a tennis racket. To make...

Jan410 01:10 PM
Marshall10488

2 
657 
just wanted to say hi first as this is my first post.
I will explain the story...
There is an ongowing debate within...

Jan410 11:41 AM
Marshall10488

2 
2,363 
Does dispersion of light by a prism have anything to do with how thin films disperse light of different colors at...

Jan410 11:33 AM
Bob S

2 
734 
Hi !
How one can calculate the spectrum of radiation emitted by the oscillating electron
in the field of laser,...

Jan410 05:12 AM
quantum128

0 
1,890 
Is 1 cycle the same as 1 oscillation?

Jan610 01:49 AM
blitz.km

3 
678 
Suppose to have a beam of light reflecting over two parallalel surfaces of a material, so that the reflectd rays...

Jan710 06:36 AM
DaleSpam

15 
2,481 
Assuming a Parallel Plate Capacitor of area A, separation distance d, plate charges \pm Q: and plate charge densities...

Jan410 06:34 PM
diazona

3 
1,697 
I'm having a brain freeze and have a hard time understanding why the area of the ring is 2*pi*a*da. Can someone...

Jan510 07:17 PM
davezhan

4 
1,550 
Hi guys
I wonder if you can explain this to me. In...

Jan610 02:36 PM
Niles

11 
3,476 
Can anyone help?
I have to derive eq of motion of a compound pendulum with 3 rotational dof.
I know how to do it,...

Jan610 02:12 PM
msntito

2 
840 
I want to know why and how it was defined ?
Is it useful in some ways ?

Jan510 12:04 PM
f95toli

1 
1,551 
Hi there,
As we know gravitational potential energy is U = GMm/R right? Here is what i obsessed, in case for the...

Jan510 05:37 PM
sweet springs

2 
643 
How would one calculate the moment of inertia of a solid sphere (of uniform density, rotating about the axis through...

Jan710 04:43 AM
blitz.km

3 
4,315 
In the electromagnetism theory, the phase factor or constant (usually BETA) in wave propagation for lossy medium has...

Jan610 09:43 PM
Born2bwire

3 
4,134 
I've tried looking on various websites to find a definition I can understand but every website describes it...

Jan610 03:30 PM
Prologue

4 
9,299 
I'm having a lot of trouble with an adiabatic mixing process.
This is what I know:
There's an airstream coming from...

Jan610 06:56 AM
Appa

0 
3,737 
Hey Guys,
I have a question. Is there any chance to calculate angular velocity of a rectangle plate on a cylinder,...

Jan610 09:24 AM
makyol

0 
614 
I have heard (what I consider to be) a myth of a pole lifting off the ground before it hits. That is, set something...

Jan610 04:03 PM
Prologue

0 
979 
Hi. There is just this one thing in mechanics which is lagrangian that I just simply can't grasp physically. I'm...

Jan910 02:43 PM
fluidistic

13 
1,042 
i'm trying to calculate the impact force of a slide hammer under water. i can calculate it in air using (mv^2/2d),...

Jan710 11:15 AM
jayzedkay

2 
1,990 
In general what does a Lagrangian for a system consisting of interacting fields and particles look like?
It can't...

Jan910 09:26 AM
pellman

1 
742 
What are the equations of motion for two charges where the two charges are the only sources for the EM field? (No...

Jan710 10:41 AM
pellman

2 
744 
Have a spinning rotor/impellor with open channels directed radially outward (similiar to a radial vane centrifigal...

Jan710 02:43 PM
trustthrust

0 
740 
Classical thermodynamics Q's.
Hello !
I have some conceptual problems that are confusing me, hope someone could...

Jan810 04:07 AM
mohd

0 
930 
Consider that we have ice and water together ( no heat exchange with surrounding ) and
qi1 = heat required by ice to...

Jan910 06:13 AM
HallsofIvy

1 
1,086 
is the distance between electrons in an electron beam constant

Jan910 07:07 AM
ZapperZ

1 
643 