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Again, for some odd reason, people...

Apr2211 05:26 AM
ZapperZ

1 
48,192 
Hi,
How do we calculate the temperature required to ionize an atom, say, helium. Also how can we find the number of...

May412 06:07 AM
Boltzmann2012

6 
1,367 
Hi, I've taken introductory calculus and am doing algebra based physics, but I'm trying to understand how to relate...

May412 03:35 AM
Philip Wood

1 
1,015 
I've read conflicting descriptions of the relationship between constraint forces and virtual displacements that I'd...

May412 12:49 AM
ralqs

0 
698 
I've been trying to hash this problem out with some friends of mine, but we haven't been able to find a satisfactory...

May312 11:40 PM
Ahsan2011

4 
1,672 
So the colors we perceive are a result of photons of a certain wavelength being reflected back at us. So why in a...

May312 05:16 PM
LogicX

12 
2,090 
I am attempting to design a base to support a post that will be pulled horizontally at its top.
A 2D image of the...

May312 05:12 PM
BertSmurf

7 
3,426 
Hi everyone!
I'm trying to do the classic calculation of the coefficients of transmission and reflection at a...

May312 04:20 PM
VortexLattice

0 
640 
One of the formulas I came across while doing problems with simple parallel plate capacitors was E = V/d, where E is...

May312 03:46 PM
jtbell

3 
12,867 
I’m trying to figure out “power transfer” using drive belts, probably serpentine, possibly cogged.
If you have a...

May312 03:14 PM
FudgyWudgy

0 
834 
Hello all,
Could anyone explain how a betatron functions and its general purpose or application?
Thanks!

May312 02:31 PM
Bob S

1 
757 
Lagrange & Euler formalism
How we get relation
(\frac{\partial T^{(L)}}{\partial t})_{r_0}=(\frac{\partial...

May312 01:21 PM
vanhees71

2 
690 
Hi,
I've been doing a bit of independent study on Gravitation. What I find confusing is why the moon doesn't fall...

May312 01:19 PM
HallsofIvy

4 
2,332 
Hi everyone,
I was watching an MIT OpenCourseWare video where the lecturer describes the problem of a rulers motion...

May312 11:21 AM
nomism

3 
889 
I found a website which claimed that 3500 feet of 35mm film was shooting at a maximum speed of 10600000 frames per...

May312 09:49 AM
mfb

3 
974 
I was trying to think of natural physical reasons to want to study noncommutative geometry, and it seems to me that it...

May312 08:30 AM
Monocles

1 
715 
When we deal with heat capacity or specific heat capacity Q=mc(delta temperature) why don't we take into consideration...

May312 07:45 AM
sgstudent

1 
618 
Hello frnds, i understand what conservative and non conservative force are but i didn't get it properly with practical...

May312 06:39 AM
Ravi Mandavi

4 
15,788 
hi, i know hydrostatic pressure has been discussed on this forum but i'm still not convinced (i know, crazy me)
i...

May212 07:09 PM
steveh2112

4 
994 
I am attempting to determine a method for calculating the final pressure in a deformable bladder given a starting...

May212 06:50 PM
MechEgr

7 
1,364 
Hello, calculating the magnetic moment of a current loop is trivial, but I want to do it with the general formula
...

May212 03:27 PM
chrisbaird

1 
2,719 
a gas follows the equation:
PV=RT +kP
k= constant
P=pressure
V= volume
T= temperature
R= ideal gas constant
...

May212 03:16 PM
sm09

0 
1,484 
Hi guys, I read about inertia on various websites and my textbook but I don't quite understand it. I just don't get...

May212 02:45 PM
stacybyars

11 
1,522 
Archimedes's principle says that the buoyancy force would be equal to the weight of the fluid displaced by the body....

May212 01:54 PM
Doc Al

1 
3,198 
Suppose we have taken a point A on the loop and we are moving clockwise while counting the potential drops and...

May212 12:27 PM
Cromptu

0 
855 
Does the force of magnetism cause electricity?

May212 10:26 AM
chrisbaird

2 
652 
So I recently have been introduced to the retarded solutions of Maxwell's equations, which are referred to as...

May212 10:14 AM
Russell E

13 
3,530 
Work done is defined as F vector. dx vector or F dx cos θ where θ is the angle between F vector and dx vector.
But,...

May212 08:39 AM
DrDu

9 
1,643 
If an aircraft is flying straight and level and drops a load but it remains attatched to the aircraft by a cable (hung...

May212 07:43 AM
K^2

13 
5,419 
Hi Friends,
I want to numerical analysis solution of 3d spherical pendulum with Hamiltonien. Please help me. Thank...

May212 05:44 AM
madwolf

0 
822 
Wat is meant by "interference" in "electromagnetism is the interference between the electricity and magnetic force."?

May212 04:34 AM
tinytim

1 
602 
In Nayfeh's electricity and magnetism,the equation of equipotential surfaces of two lines of charges are found and...

May212 04:16 AM
Shyan

2 
734 
Hello,
I need to compare or find relation with water and aviation fuel on different pressures. On what way can I do...

May212 03:43 AM
Nelegalas

0 
578 
Why stress tensor must be symmetric?

May212 02:13 AM
LagrangeEuler

5 
637 
hello everyone!
can you please explain on factors the value of spring constant depends?
And please provide me with...

May212 01:53 AM
A Dhingra

6 
903 
Hi, I'm trying to better understand these terms as they relate to central force motion. Am I correct in that the...

May212 12:38 AM
mishima

2 
1,923 
Hey everyone,
I am trying to understand the phenomena behind the technique of using amplitude modulation in sound...

May112 11:19 PM
dmorr

4 
1,763 
A falling object with no initial velocity with mass m is influenced by a gravitational force g and the air resistance...

May112 06:41 PM
Redbelly98

2 
908 
Dear All
I have a question about the validity of Maxwell Boltzmann velocity distribution in the case of nanoscale...

May112 05:50 PM
kmarinas86

1 
1,220 
Hey Everyone,
Can someone explain to me the natural of amplitude modulation in regards to sound. As in one...

May112 05:07 PM
Bob S

3 
750 
We have the following problem we're trying to solve:
A helicopter is landing at 6 ft/sec, with its nose tilted up...

May112 04:14 PM
rspicer

0 
1,031 