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Again, for some odd reason, people...

Apr2211 05:26 AM
ZapperZ

1 
41,744 
I have been toying with an idea that may break the second law of thermodynamics for a while now, but it is basically...

Apr1514 11:06 AM
berkeman

6 
220 
Hello,
I would like to try to "model" motion of two gravitationally interacting bodies. But from some "separated"...

Apr1514 10:32 AM
UltrafastPED

1 
105 
how can we understand torsion of curve is in the direction of normal unit vector en?

Apr1514 10:30 AM
UltrafastPED

3 
114 
Hi, I'm studying classical mechanics via Goldstein's book. And at the beginning of the chapter on the symplectic...

Apr1514 09:22 AM
JonnyMaddox

0 
103 
With increased pressure tungsten has a higher melting point. (source below page 30) 45kBar increases melting point...

Apr1514 08:25 AM
James125

2 
128 
I am curious about the effects of oscillation in a heat transfer system. For example consider a simple system...

Apr1414 11:25 PM
Seth.T

3 
103 
Are there any good books to understand the BBKGY equations of kinetic theory?

Apr1414 08:24 PM
TSC

4 
152 
Relating to the synchronous nature of the moon’s rotation and orbit around the earth, what would happen if the orbital...

Apr1414 05:51 PM
cjl

1 
136 
I am teaching Physics and I'm not looking for help for a particular homework problem but on a class. Sorry if this...

Apr1414 05:03 PM
ranger275

9 
254 
... regardless of any possible technical problems, and then, on earth:
a) someone throws an object in the air and...

Apr1414 04:21 AM
sophiecentaur

10 
254 
After figuring out how to calculate Cd and Crr coefficients, I'd like to continue my "vehicle physics exploration":...

Apr1414 04:13 AM
jumpjack

75 
1,486 
I recently looked at the reference in an article I am reading, and subsequently checked "Oscillations and Waves in...

Apr1414 01:58 AM
UltrafastPED

1 
136 
I'm developing a scanner that uses a laser for edge detection. It will be mounted on a hexacopter that will traverse a...

Apr1414 01:54 AM
UltrafastPED

4 
171 
It is taught that the classical treatment of the diatomic atom would give a heat capacity of $7/2$ due to 7 degrees of...

Apr1314 10:31 PM
dauto

1 
124 
Hi all, im trying to get my head around some experiment results but im struggling a bit.
According to my notes H...

Apr1314 06:56 PM
DrZoidberg

2 
162 
Hello
I have learned about maxwells relations and can derive them. I noticed that we had made an assumption of a...

Apr1314 03:29 PM
Maylis

1 
187 
Let's say that you have an open tank of water and a hose connected to the bottom of it. Water is flowing out of the...

Apr1314 02:04 PM
jbriggs444

14 
263 
Hi I need some help explaining kinetic moment and moment of the center of mass.
This is an example:...

Apr1314 01:32 PM
vela

8 
227 
I've been reading a paper which models heat transfer in solids using a finite element model. Elements are connected to...

Apr1314 01:08 PM
Racer_Rob

0 
123 
Hi.
I thought magnetic moment arose from closed loops of charge currents. How does then the angular momentum of the...

Apr1314 11:35 AM
dextercioby

5 
209 
Take a uniform density bar in space for example. Would the center of mass move if the bar was struck at the very tip...

Apr1314 04:13 AM
student34

6 
204 
Dear all,
I am trying use Ampere's law and came across a problem which is a result of my lack of understanding.
...

Apr1214 06:47 PM
MrR

1 
141 
Hi,
I am posting here for the first time, hence, should I have violated any forum rules I am sorry and kindly...

Apr1214 06:56 AM
premie

4 
180 
Hello, I would like to ask why, when a surface is not polished, it reflects less.
I understand that when the...

Apr1214 06:01 AM
stevendaryl

9 
245 
Hello folks! I have just come from a night at the pub with fellow students of life where over many a pint several...

Apr1114 11:35 PM
qftqed

3 
273 
It is commonly said (based on a quick Google search) that wrapping your beer in a wet paper towel and placing it in...

Apr1114 02:14 PM
christopher.s

26 
10,935 
Quick question.... Can the gravitational constant only be used for earth or can it be used in questions regarding...

Apr1114 01:03 PM
SteamKing

3 
163 
Could anyone help my with proving that the acceleration of an object that is moving with uniform circular motion is...

Apr1114 09:55 AM
Emz19

4 
150 
If thermodynamic temperature can be interpreted as the average kinetic energy in a system, is there a quantity defined...

Apr1114 08:14 AM
njmcmu

5 
137 
How do I tell if a torque on a system is internal or external before conserving angular momentum? I know that if a...

Apr1114 12:23 AM
transparent

0 
143 
For my senior physics research project I've developed an orbital analysis program that calculates the minimum \Delta...

Apr1014 04:52 PM
Bobbo Snap

2 
131 
So as I am junior high school student just learned that when the terminals of wire are connected to a battery,an E...

Apr1014 11:30 AM
cabraham

3 
194 
Hi.
In this page the WoodsSaxon function is mentioned as describing the charge distribution for in the atomic...

Apr1014 10:55 AM
carllacan

0 
110 
I'm working on a project for myself in regards to atmospheric reentry. I've come across some equations that describe...

Apr914 08:41 PM
Rd123

11 
756 
I have never dealt with moment of inertia before, this is a physics lab i need to do some pre planning for which...

Apr914 02:17 PM
cooev769

8 
220 
I am currently working on a robotic manipulation problem and need to form a model for how an object responds. I start...

Apr914 09:14 AM
Liferider

1 
168 
Suppose that we have a body that is moving at a straight line, inertially wrt to another frame. If it starts to move...

Apr914 07:58 AM
Andrew Mason

9 
186 
Where does ohmic resistance arise from, is it from the collision of the current with the electrons of the wire or is...

Apr914 07:57 AM
nasu

19 
383 
Hi everyonefirst post, thanks for any guidance if I've posted in the wrong place.
I've got a simple idea and I'm...

Apr914 05:08 AM
Bobbywhy

7 
217 
This is not schoolwork.
Imagine that light did not have a constant speed, but behaved in the manner expected from...

Apr814 11:37 PM
Simon Bridge

1 
161 