Is symmetrical AWD more efficient at acceleration during high speed...

Symmetrical vs Asymmetrical AWD at high speeds]]>

Also, if it is remotely hypothetically plausible,...

Multiple Ringworlds]]>

Does Mass determine our depth in the fabric of space?]]>

Moving clocks]]>

Both images are 2 consecutive pages of my notes . In this theory , i was told to use z-distribution when the sample size is large ( more than 30) and the standard deviation of the population , σ is known) . However , in the 2nd...

Confidence interval of mean]]>

How is power transmitted in an exoskeleton arm?]]>

Also, If you used a low pass filter and then an isolation TX (or

When building a crude full wave rectifier how to improve?]]>

If higher temperature is correlated with shorter emitting wavelengths, how come there are incandescent light bulbs that emit yellowish light but are hotter than incandescent...

Emission spectra of different materials]]>

If yes, how would it work? Could chains still be used?

Instead of an electric motor powering the hydraulic system, could the rider power the hydraulic system through force / power...

Can hydraulic systems replace ebikes in power assisted cycle]]>

We are given a spring of spring constant K, we need to find the compression of the spring (x) such that the block has some acceleration A at the instant it leaves the platform.

View attachment 207825]]>

Information from a black hole]]>

Consider observer A, black hole B and black hole C. A's past and future remains far enough away from any EH so that A is classical. In the...

Merging Charged BHs]]>

It is...

Is the new 3.0 TeV bump at ATLAS a fluke?]]>

I have done three years in my undergrad in physics/math and this summer I'm doing a research project in general relativity. I generally use a computer to do my GR computations, but there is a proof that I want to do by hand and I've been having some trouble.

I want to show that...

Two Conserved Quantities Along Geodesic]]>

Measurement problem in the ensemble interpretation]]>

I'm reading the book about Statistical Physics from W. Nolting, specifically the chapter about quantum gas.

In the case of a classical ideal gas, we can get the state functions with the partition functions of the three...

Statistical Physics: Quantum ideal gas]]>

About half of college grads underemployed=>disaster?]]>

Programmes to learn for Nuclear Engineering Masters]]>

I need to know which is better to have many PRF tubes with less volume or to have single PFR tubes with large volume? How to decide what is better ?]]>

By un-reasonable , it means a friend asking for 5 lectures worth of notes, not 1 or 2 and for no apparent...

Sharing class notes]]>

Triple Major -- EE / ME / CS]]>

IT Dept Quality, like % of budget devoted to IT department, Number of External Audits, etc ; each is measured on a Likert scale. I ultimately want to regress EDIT against...

Composing Likert "Subvariables" into a Single Variable]]>

Consider this definition of the Dirac delta:

$$\delta (x-q)=\lim_{a \rightarrow 0}\frac{1}{a\sqrt \pi}e^{-(x-q)^2/a^2}$$

First, this would make a normalized position eigenfunction

$$\psi (x)=\lim_{a \rightarrow 0}\frac{1}{\sqrt{a\sqrt \pi}}e^{-x^2/2a^2}$$

right?

If that is so, why do...

Questions about the Dirac delta]]>

They...

New Approaches Coming for Blood Cancers]]>

If you like watch it ...]]>

Bending of light formula]]>

I have got results for a modal analysis (mesh of 150 shell elements) in ascii format. I have also got (from another process) forces to apply at each element; how do it compute the deflection? I get that it's a form of summation of all the modes, but I am stuck.

Thanks! BB]]>

The cart carrying the small 9-N package A is moving up the incline with constant acceleration α. If the package stays at rest relative to the cart in the position θ=45deg, determine the value of α. Neglect friction.

Pytels Dynamics 12.35: A cart carrying a small package]]>

What would power level DC-DC transformers be good for?

- Connecting different voltage level...

DC-to-DC Power Transformer]]>

However I recently found out that there also is a thing 'Hollow optical...

How can light propagate through Hollow optical fiber.]]>

What is x ?( Assuming x and y are positive)

1000/x=3600 + (3600(y-x)+1000)/x+y

Calculator gives it as x=5/36 but I cannot find a way to get that?]]>

Comparison of tidal forces acting on the Moon vs Enceladus]]>

-Does the mutual coupling coefficient for a series of coils all on the same steel core add up to a maximum total of ~1?

Because I tried simulating a three...

Calculating the mutual coupling coefficient of E cores]]>

I refer you to the following:

View attachment 207267

http://top10electrical.blogspot.com.au/2015/03/booster-transformer.html

I presume...

Booster transformer topology for transmission application]]>

What does"double-infinities" mean?]]>

i want to attenuate the sound blast from a rifle muzzle, however, i want to engineer a large deep room to do it. think of this like a indoor firing range. i know opera stages many times dont...

Engineering Sound Stage]]>

$$\bigg( (1-z^2) \frac{d^2}{dz^2} - 2z \frac{d}{dz} + l(l+1) - \frac{m^2}{1-z^2} \bigg) P(z) = 0$$

Solving this equation for ##P(z)## is one step in deriving the spherical harmonics "##Y^{m}{}_{l}(\theta, \phi)##".

The problem is that the book I'm following...

Spherical harmonics]]>

View attachment 207520

Every small part of the trajectory can be taken as a circular arc.

Then,

$$\frac { m v^2} R ≤ kmg $$

But how to find out R from...

sine curve trajectory]]>

Non-sinusoidal sound waves]]>

Design of High Pass filter]]>

actual example of a mixed state not part of entangled state]]>

Is the buoyant force proportional to the mass?]]>

What are the requirements for...

Is it possible to fly horizontally using augmented fly pack?]]>

International Physics Studies Program (IPSP) University of Leipzig program review?]]>

modern usage of non-navigational radio beacons]]>

The problem involves a population in a country:

(millions)

Part A involved finding the population in 1920 using Newton Divided...

Finite Differences]]>

View attachment 207801]]>

However, I cannot justify the argument that...

Why is brillouin zone a torus?]]>

I have to teach a group of 9th grade students

role of resistor in a circuit and how it affects the current in the circuit . This will be their first exposition to circuits .So I need a good and simple analogy so that students can grasp these concepts easily .

This is what I plan to...

Resistor and current in a circuit]]>

Consider gamma matrices ##\gamma^0, \gamma^1, \gamma^2, \gamma^3## in 4-dimension. These gamma matrices satisfy the anti-commutation relation

$$

\{ \gamma^\mu , \gamma^\nu \}=2\eta^{\mu...

Clifford algebra in higher dimensions]]>

No major repairs on it are needed at the moment. But just curious if there is some formula for determining when it's best to buy a "new" (really I mean "newer," since I'm open to used cars too) car when your current old one has gotten up in age...

When to Buy "New" Car if Driving High Mileage Old One?]]>

I have noticed that in some calculations they use $$ \vec{\nabla}\cdot\vec{u}=\frac{1}{V}\frac{dV}{d\tau}$$. I would like to derive it.

Special relativity, gradient of velocity]]>

Is this a good book to get and start from page 1...

physics textbook for undergraduate level, self study]]>

The air pressure at the surface is about 1,00,000 N/m

It means that on average, a virtual column of air one square meter [m

atmospheric pressure etc.]]>

I have four solar panels on the roof and each one...

Inverter or Generator]]>

I may have this completely misunderstood, so bear with me and correct me where I'm wrong please.

There are 2 types of currents, DC and AC. Correct?

AC stands for Alternating Current and DC stands for Direct...

Can any physical quantity be vectorless?]]>

(I...

“Vector” operators]]>

How to calculate Toroidal Core Maximum VA capacity]]>

Failure description:

In the deep groove ball bearing only one rolling element has a pre-mature fatigue failure (Image-6.jpg) and rest of the all ball is in good condition (image-05.jpg).

Do any one has seen the same kind of...

One Ball fatigue failure at Deep Groove Ball bearing]]>

Best books and papers for classical "hard" analysis tricks]]>

Software - Suspension Analyzer by Performance Trends

In order to understand the complexity of a Formula Cars suspension, a basic knowledge of the stock car suspension should first be mastered. When...

Race car suspension Class]]>

Non-rectangular PV Panels: do they exist?]]>

My "ancient mythos" choice is: The Grey Mouser....

And who is your Swords+Sorcery or Fantasy character?]]>

I saw this beautiful old machine on eBay, and couldn't resist it. Comes in a brass case with carry handle, and is encased in walnut-effect Bakelite. The screws and terminals are solid brass, and it actually smells of pipe tobacco.

I have tested it, and wonder if...

Evershed and Vignoles 500V hand-cranked megger]]>

Here is the thing I am working on a project where I am manufacturing Furfural from bagasse. The reaction is thermodynamically possible. I took some amount of bagasse and added it to a reactor at atmospheric pressure. I then added diluted Sulphuric acid which acts as catalyst,...

Quantitative analysis.]]>

A rocket propels itself rectilinearly by giving portions of its mass a constant (backward) velocity ## u ## relative to its instantaneous rest frame. It continues to do so until it attains a velocity ## v ## relative to its initial rest frame. Prove that the ratio of...

Special Relativity - Rocket problem (particle mechanics)]]>

Can physics be explained in plain English]]>

Hydrostatic equilibirum in slowly rotating star]]>

Resources for air flow/air compression physics]]>

how accurate is it? Is there a size limit for any spectrometer where accuracy could be affected?

the Scio is an IR spectrometer.. is pocket size...

pocket size molecular spectrometer]]>

Microvolt pulse Detector]]>

Given a scalar function ##f## find (a) ##∫f \vec {dl}## and (b) ##∫fdl##

along a straight line...

Line Integral Notation wrt Scalar Value function]]>

Playing trombone to 'wildlife':

]]>

I may have discovered a textbook error but I'm no calc whiz. I need an assist to find out if the question unintentionally described a square instead of a rectangle.

I have attached the textbooks solution as well as my attempt at a solution.

The numbers check out, I just want to make sure...

Rectangle optimization - possible text error]]>

In an infinite flat layer of thickness 2

Time period of small oscillations of the point dipole]]>

Creating a simple password program in C++]]>

Can a microorganism change behavior of an animal? ( including humans).

Thank you for your time.

Regards,

ORF]]>

Charged basketball, inertia ball and field]]>

Atmospheric Heating from Meteorite Impact]]>

I worked for a professor during the summer (for free) in high energy Physics trying to plot the signals from a function generator to a computer using a microcontroller. He was really impressed with my work (basically, he...

Physics lab coordinator?]]>

I am trying to copy info from MATLAB to Excel via the following code

Code (Matlab M):

filename = 'testdata.xlsx';

A = [12.7 5.02 -98 63.9 0 -.2 56];

xlswrite(filename,A)

Warning: Could not start Excel server for export.

XLSWRITE will attempt to...

Matlab to Excel]]>

2. If not, then can I get a PhD in nuclear physics with a double major in mechanical engineering and mathematics,...

Nuclear physicist with nuclear engineering PhD?]]>

I thought the same should be the case for gravitational time dilation; if a clock on a tower runs n times...

Uniform-gravitational time dilation -- exact or approximate]]>

Is it possible that an electron can have a negative mass?]]>

Sound Waves -- propagating, dispersing, volume effects?]]>

The function is f(x)=x+cos(x) and the interval is <-PI,2pi>

There is an attached solution but I do not understand how to arrive at the given solution (see screenshot). I would personally just take the...

Maxima minina on an interval (calculus+trig)]]>

First, we...

How to calculate probability of seeing someone you know]]>

The problem is in the context of convection in the troposphere

Show that when an ideal gas expands adiabatically, the temperature and pressure are related by the differential equation

[tex]\frac{dT}{dP} = \frac{2}{f+2}...

Adiabatic Expansion Pressure Temperature Relation]]>