The Difference Between "Electric" and "Electronic."]]>

Do Tachyons Exist?]]>

The operator X for the position in QFT]]>

I have recently learned about transistors and their ability to control (amplify) other signals. BJT transistors amplify current. There are also FET transistors. Some devices are termed current-controlled and others are called voltage controlled.

Are there amplifiers that amplify...

Amplifiers, transistors and opamps]]>

So,I wanted to know if in some frame the propagation of light could...

Electromagnetic nature of light]]>

Thank you in advance for any help

Sarah]]>

PNAS 2013 ; published ahead of print September 5, 2013, doi:10.1073/pnas.1304059110

From the pnas.org overview:

My understanding of the general Big-Bang model is that far enough back in time the observable universe came down to something very small (compared to now), very dense, very hot... Ok, i...

Homogeneity and isotropy in Big Bang model]]>

A=19

B=0

On a road trip, a driver achieved an average speed of (48.0+A) km/h for the first 54.0 km and an average speed of (43.0-B) km/h for the remaining 86.0 km. What was her average speed (in km/h) for...

Average Speed. Please help!!]]>

I know that is true the if, but what about the viceversa?

Same question.

Is it true that a Lie group is...

Two theorems of Group Theory]]>

Rearrange Headings for Unanswered Threads?]]>

Relativistic Work-Kinetic Energy Theorem

...

Relativistic Work-kinetic Energy Theorem - Comments]]>

But what what makes an electron rotate about its axis ?

i believe even without the spin...

why does electron have spin ?]]>

That is, if the total mass-energy were different, would the nature, strength, … of the forces and force-carrier particles...

Total mass-energy v nature of forces, particles]]>

The formation of cadmium complexes with Br

Explain why...

Question on chemical equilibrium]]>

How can you say that ##p## remains...

Effect on equilibrium, addition of inert gas]]>

Questions :...

Life in the asteroid belt]]>

Undergrad student! :)]]>

Experimental derivation of magnetic force on a wire]]>

Why is CN stable in low pressure but unstable otherwise?]]>

The structure of 1,3-butadiene is usually written as H2C=CH–CH=CH2. The average bond lengths given in Table 9.2 in my textbook are: C–C of 154 pm and C=C of 133 pm. Explain the fact that the observed value of the distance between the two central carbon atoms in...

distance between atoms in a bond]]>

http://www.physicstutorials.org/home/electrostatics/electroscope

Negatively charged electroscope and X-Y plates are placed like in the figure given below. If the distances between electroscope and conductor plates are...

gold leaf electroscope problem]]>

A 1990 kg rocket is loaded with 102 kg of propellant. It exhausts the propellant in a burn of 25s. The rocket starts at rest, and moves with a speed of 240 m/s after the burn. Determine the impulse.

Changing Mass and Impulse]]>

Should I upgrade to Windows 10?]]>

Collecting neutrons]]>

I calculated the distance to be 5000m.

So the Work I do on the object is F*d = 1000N*5000m = 5 million J

However, I calculated the final velocity to be...

(Applied Force)⋅d= 1/2mv^2 versus (Net Force)⋅d= 1/2mv^2]]>

(x+ln(x+sqrt(x^2-1)))^3 / (sqrt(x^2-1))

I have tried so many different things with this integral but cannot seem to get anywhere with it. Its almost so nicely an inverse coshx but not...

Wicked Substitution Integral]]>

This...

Mouse won't click to open files]]>

Big surface lasers can easily outpower even the biggest...

Space Marines]]>

Efficiency of piezoelectric materials]]>

Battery Management System board balance discharge?]]>

The story is following a captain of a heavy...

Ship to ship combat with an unknown invader]]>