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Again, for some odd reason, people...

Apr2211 05:26 AM
ZapperZ

1 
41,753 
How can I figure the pressure in a 80 cubic inch tank at 0 psi being refilled
with a 8000 cubic inch tank with a...

Nov2207 01:30 PM
brewnog

1 
3,038 
The number of degrees of freedom for a massless rod
moving freely in space with a particle which is constrained to...

Nov2207 06:22 AM
Doc Al

1 
2,215 
in the newtons second law of motion we study "F=ma" letters having their usual meanings.
so if any object say"A"...

Nov2207 03:36 AM
otg

4 
1,356 
Hi there
There seems to be a few related posts on this topic but I can't make sense of them.
In the integral...

Nov2107 09:02 PM
lugita15

5 
1,671 
There is a problem in biomechanics that relates to a human runner’s gait (1) and how much power they consume. At each...

Nov2107 08:08 PM
tedjan

0 
2,688 
I'm trying to determine the wavelength of a particular situation. I'm given the refractive index of the metal and the...

Nov2107 11:02 AM
DaleSpam

1 
3,862 
Does anybody know of a way to derive the inertia tensor using group theory?

Nov2107 10:24 AM
La Guinee

0 
1,448 
So i have a problem with a question in which there is a falling raindrop where the mass and the radius are...

Nov2107 08:23 AM
stewartcs

3 
2,783 
I remember in 8th grade I was sick the day my class did this, and no one I talk to seems to remember how it was done...

Nov2007 08:29 PM
misstorea

12 
6,901 
Hey, guys. Thanks for reading this.
I have to present some interesting angular acceleration problem in my physics...

Nov2007 07:53 PM
Anticitizen

3 
1,147 
Hello,
Is there a formula to convert a certain radio frequency to temperature? Thanks.

Nov2007 07:07 AM
DaleSpam

3 
6,275 
suppose a certain process is carried out on a system which say heats up the system the how do we decide that that's...

Nov2007 05:41 AM
Doc Al

5 
2,332 
This is a standard fuzzy dice problem, hung in a car, at angle, theta, and I have to find the acceleration of the car....

Nov1907 08:04 PM
physicsrules

9 
3,197 
My first posting, so apologies if this is in any way inappropriate to the forum/section.
I am asking here for some...

Nov1907 12:19 PM
DaleSpam

11 
6,629 
hi there,
i've read books and some web sites and i'm wondering this electric charge? Is it something physical...

Nov1907 08:35 AM
richard14

3 
1,557 
Ok, propably everyone here knows that IN THEORY it is possible for a human to fly. This question has been bugging me a...

Nov1907 12:04 AM
Joppe

9 
2,215 
what is the difference between moment of inertia and moment inertia tensor?

Nov1807 10:47 PM
waht

1 
2,241 
Hi Guys and Girls
Take note that Im not sure if Waves or Oscillation, is the right word to use about this Physics...

Nov1807 08:05 PM
marcusl

3 
1,371 
OK...
Please consider that picture in the following link
...

Nov1807 07:24 AM
Doc Al

2 
7,265 
in an closed organ pipe why don'e we consider the interfereence of the once reflected wave(from closed end) and the...

Nov1807 12:32 AM
pardesi

0 
3,040 
i saw the 'proof' of the wave equation for a sound wave in a medium assuming the wave equation for a dissplacement...

Nov1707 09:49 PM
pardesi

0 
9,641 
When the source is moving with respect to the observer, the emitted wave undergoes this wellknown frequency shift...

Nov1707 05:05 PM
monade

2 
1,416 
I know that the net work = the change in kinetic energy, delta KE. But what if the object has both the potential...

Nov1707 04:21 PM
MIA6

7 
2,330 
one hamonic oscillator hava a merit factor Q = w/y. starting of equilibrium position , with velocity Vo. Calculate...

Nov1707 04:05 PM
freak_rj

0 
2,761 
how could a current in a square loop has a vector potential be zero due to 2 sides only.

Nov1707 01:03 PM
shehab

2 
3,358 
suppose there is a region S through which the magnetic field changes with time then is the electric field induced...

Nov1707 12:21 PM
Crosson

7 
1,509 
velocity of sound in dry air is 332m/s and it (linearlyi think so) increases with density.
so is it possible to...

Nov1707 03:33 AM
thiotimoline

11 
1,654 
why is the magnetic field just inside a cylindrical conductor with inner radii a, and outer radii b carrying a uniform...

Nov1607 09:24 PM
granpa

1 
4,195 
Why is the magnetic vector potential of a point inside a infinite soleniod azimuthal assuming the axis of solenoid is...

Nov1607 12:45 PM
Crosson

1 
1,866 
Hi, I'm after some help because my intelligence doesnt stretch as far as you guys!
I am being taken to court for...

Nov1607 12:29 PM
Kurdt

16 
6,773 
when we write \vec \tau=
what is the point or the line about which we are calcuating the torque
Also what is the...

Nov1607 01:20 AM
Shooting Star

1 
3,255 
In classical mechanics, space around us is said to be described by Euclidean space E^3. However E^3 is not a vector...

Nov1507 07:15 AM
koja

0 
1,500 
what do we mean when we say a point light source is 5.0 mW

Nov1507 05:03 AM
Shooting Star

3 
1,784 
I have been working through the book:
"Almost All About Waves"
John R. Pierce
Dover
2006
This is a...

Nov1307 09:49 PM
momentum_waves

6 
1,199 
Does anyone know the significance of 1233 degrees Kelvin?

Nov1307 04:18 PM
stewartcs

1 
1,005 
Recently, the New York times ran the obituary of Paul Tibbets who
was the pilot of the plane that dropped an atom...

Nov1307 04:01 PM
cesiumfrog

8 
4,688 
I have a problem in understanding Feynman's derivation of a lens' shape using Fermat's principle. Feynman writes that...

Nov1307 03:52 PM
mgb_phys

1 
1,786 
Im doing millikan's oil drop experiment as my A level physics coursework to eventually calculate the electronic...

Nov1307 12:19 PM
jaderberg

0 
791 
Hi, this is my first post. I've not taken a calculusbased physics course yet so these may be rather naive questions....

Nov1207 11:31 AM
DaleSpam

3 
12,135 
Where does the energy go when light undergoes destructive interference?

Nov1207 01:03 AM
aarathi

12 
1,900 