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jwimberley's user avatar
jwimberley's user avatar
jwimberley's user avatar
jwimberley
  • Member for 11 years, 1 month
  • Last seen more than a week ago
  • Cambridge, MA, United States
136 votes
Accepted

What justifies dimensional analysis?

14 votes
Accepted

Why do almost all nuclear reactions release energy?

9 votes
Accepted

Calculating the uncertainty of $r$, when $1/r^2$ is used

8 votes
Accepted

How can there be really any instantaneous velocity?

7 votes
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In calculations with uncertainty principle why could you equate the uncertainty in momentum with the actual momentum of the system

6 votes
Accepted

If helicity can suppress weak decay of $\pi^{\pm}$, doesn't that make chiralty observer dependent?

5 votes
Accepted

How to understand wavefunction in quantum mechanics in math

5 votes

Where does the electron get its high magnetic moment from?

5 votes
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Matrix elements of the operator $\hat{x} \hat{p}$ in position and momentum basis

5 votes
Accepted

What does the notation $\Psi_k/(\Psi_k,\Psi_k)^{1/2} $ mean?

5 votes

Why collide a moving particle with a particle at rest, rather than two moving particles?

5 votes
Accepted

Massless particle that have momentum not equal to 0

5 votes
Accepted

Future Plans for Searches for Supersymmetry in the LHC

4 votes

General Solution to polar free-particle Schrodinger’s Equation

4 votes
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Raising and Lowering Indices with the Metric Tensor

4 votes
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How do I calculate the lagrangian of a planet orbiting a star and find its equation of motion?

4 votes
Accepted

Conservation of mass-energy and nuclear transmutation

4 votes
Accepted

How do you derive Lagrange's equation of motion from a Routhian?

3 votes

Evidence that stationary masses in space actually attract each other

3 votes

Relating momentum fraction to rapidity in a high-energy collision

3 votes

Is voltage difference always proportional to its derivative?

3 votes

Why isn't tension in a tug-of-war twice the balance's reading?

3 votes

Can a spaceship increase velocity "infinitly"

3 votes

In the early universe, could there have been "atoms" made of $W$ bosons?

2 votes
Accepted

Do pseudovectors also transform differently to vectors under spatial dilation, not just reflections and parity?

2 votes
Accepted

How can we detect cosmic background microwave radiation?

2 votes
Accepted

Magnetostatics and Newton's third law

2 votes

But why can't i travel faster than the speed of light?

2 votes

How do I calculate the most probable orbital an electron is in?

2 votes

What is going on in the system? How are the formulas $mg \sin(x)$ and $mg \cos(x)$ derived?