Before posting anything, please review the Physics Forums Global Guidelines.
Again, for some odd reason, people...

Apr2211 05:26 AM
ZapperZ

1 
41,749 
Can someone give me the equation to calculate the change of Cv (specific heat at constant volume with change in...

Apr607 05:51 PM
Gordon Arnaut

6 
12,574 
Hi,
Could some one give me the specific heat capacity of CrO2. Is there a good resource for this type of info on...

Mar207 12:16 AM
korneld

0 
914 
Hi boys and girls.
I am looking for Specific heat capacity of Argon dependence on temperature but i cant seem to...

Feb2013 07:11 AM
Q_Goest

1 
1,266 
Can we define specific heat capacity for an adiabatic process ??
Would it always be zero since dQ is 0 for an...

Nov112 12:49 AM
Andrew Mason

2 
2,090 
is there another way of considering the specific heat capaciaty of a material (many gas) other than with respect to...

Aug1808 03:56 AM
gemt

4 
1,415 
Can the specific heat capacity be negative? Is there any substance for which i have to add heat to decrease its...

Dec1911 07:19 AM
JHamm

1 
1,004 
Now consider two objects,A and B. A has a higher specific heat capacity that B. When both object is subjected to same...

Apr2013 10:50 AM
Yh Hoo

2 
442 
C_{V} = \frac{∂U}{∂T}
This is the specific heat at constant volume so I assume it can only be used at constant...

Sep1912 08:09 PM
Chestermiller

5 
1,375 
So I don't get the concept of specific heat. I'm doing an ODE problem and I've never even looked at science, not even...

Jan2111 05:11 PM
aleph_0

2 
1,651 
I'm having some difficulty understanding exactly what the difference between the definitions of these values are. As I...

May2213 05:25 AM
Suvat99

0 
439 
Ordinarily, a system of N particles in d dimensions has 2Nd constants of motion, but there are certain invariants,...

Oct3009 04:45 AM
Gerenuk

9 
965 
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 
1,280 
I didn't want to overload the last topic, "The Meaning of Curl in Electrodynamics", but I have a question so I'll do...

Mar606 01:29 PM
jackiefrost

2 
1,293 
I have been trying to figure out if, and if so, just how is the shape of the molecules in a gas is taken into account...

Nov1812 10:29 AM
Jano L.

7 
806 
Hi
I am reading about spatial hole burning in the litterature, and I have come across two different explanations. I...

Feb1612 08:32 PM
marcelnv

1 
2,277 
This question is about converting from spatial to frequency domains when performing an FFT on 2D image data. I...

Mar2413 02:57 PM
DaleSpam

13 
2,120 
.
Hi all.
Some time ago I read that old competitions car drivers realized that by inserting a gap in the HV...

Apr2410 02:21 PM
pallidin

10 
1,101 
currently i'm studying the topic entropy. According to my text, entropy will increase when the accessible energy...

Aug411 03:30 PM
mathfeel

5 
4,269 
(I'm not sure if this would be a 'schooltype' question... it's definitively not for any kind of homework, so I'm...

Feb2912 07:36 AM
xpell

0 
746 
I recently read about the communication blackout during a spacecraft reentry.. The reason given was the high density...

Oct3112 10:02 AM
AJ Bentley

1 
702 
There is a circular gate rotating at a constant angular speed of ω. The circular gate has a tunnel across its...

Apr413 06:03 PM
joeblow

0 
409 
If we launch a satellite to a circular orbit around the Earth at height 357.1 km, to find the velocity needed at...

Jul1309 07:48 PM
Bob S

5 
1,155 
When deriving the conserved quantity in the case of spacetime symmetry, a line in my notes goes from:
...

Dec2209 05:35 PM
vertices

2 
899 
The concept of invariance of an object, property, etc... should always expresses with respect to something else:
...

Sep2708 11:14 PM
Phrak

2 
844 
Ok, I am writing a comic book that takes place on a city sized space station. I have planned for somewhere between...

Apr1510 04:21 PM
Bob S

11 
1,377 
I've got a great good head for intuiting physics but no post2ndary math.
How fast must a cylindrical space station...

Mar1608 09:02 PM
wysard

61 
7,852 
There is a space station of the length L and uniformly distributed mass M on the low Earth orbit. One side of it...

Oct1609 10:37 PM
mgb_phys

1 
553 
Hello all.
I am doing some research on the space shuttle for a class project, and I am having some problems with my...

Jul1604 11:47 AM
JonasS

9 
9,239 
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 
2,016 
This is another theoretical question post of mine.
I read somewhere that there is a huge temperature polar...

Dec1412 07:29 PM
Drakkith

5 
763 
If in space when a man is weightless if he pushes himself will he move?

Dec2811 11:05 AM
HallsofIvy

1 
740 
I think there has been floated the idea that the space elevator tether may be a ribbon. I think it will fail if it...

Oct508 02:11 PM
Topher925

2 
1,424 
Hey, I've come across a part in my notes which I can't figure out. Essentially it says:
...

Apr1610 08:16 PM
Antiphon

1 
1,390 
Not sure I am posting this in the right subforum, if this is not the case, please feel free to move it.
Anyway, the...

Jun1512 03:58 PM
TheoryofChaos

3 
1,115 
positive charges are sources of electric field and ve charges are sink. what are sources and sink of gravitational...

Feb2904 09:59 AM
Nereid

10 
3,080 
For diffraction you can assume slits in screens contain sources for the diffracted waves.
But for a slit of finite...

Feb1311 11:17 PM
RedX

3 
779 
Hi All,
Thanks again to all the great mentors and contributors to this forum.
I wanted to ask a question about...

Sep1213 03:56 AM
UltrafastPED

2 
368 
Hello everyone,
my question is regarding the source term in ODE and PDE.
If the region where the phenomenon (wave...

Feb1107 11:12 AM
lalbatros

1 
997 
I have been thinking a bit about gravity in the classical newtonian sense. So we know that the gravitational potential...

Dec2810 04:19 PM
poverlord

4 
2,527 
It is cold outside, inside too but thats of no importance to the matter.
I have seen the formula of velocity of sound...

Jan1109 05:14 PM
JANm

11 
1,628 