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Rumplestillskin's user avatar
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Rumplestillskin
  • Member for 7 years, 2 months
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9 votes

Deriving Conservation of Angular Momentum from Newton's Laws

7 votes

Relationship between Coordinate Time and Proper Time

6 votes
Accepted

What advantages have a symplectic or geometric integrator over a simple one, say, RK4?

4 votes

Lagrange Multipliers for Simple Pendulum

3 votes
Accepted

Help in an integration step in QFT by Lewis H. Ryder

3 votes

Angular velocity of a wheel

3 votes

Gravity acceleration - why is it inverse time squared?

3 votes
Accepted

How to find 4-velocity components in a perturbed metric?

2 votes
Accepted

Where does the negative sign of the Laplacian in the four-divergence go?

2 votes

Gravitational waves of an oscillating Schwarzschild black hole

2 votes

Variation of the Christoffel symbols with respect to $g^{\mu\nu}$

2 votes
Accepted

$c_p - c_v $ proof

2 votes

Null geodesic eqaution / Timelike geodesic equation

2 votes
Accepted

Difference between these two tensors? (help with index notation)

2 votes
Accepted

How to identify cosntants of motion/ which constants of motion are independent of mass?

2 votes

Constants of motion from a Lagrangian

1 vote

What's the equation for a radial null geodesic?

1 vote

Why do larger black holes emit less Hawking Radiation than smaller black holes?

1 vote
Accepted

Minimum number of vectors needed in different planes for their resultant to be zero

1 vote

What is actually Gravitational potential?

1 vote
Accepted

Variation of action with Killing vectors

1 vote

Feynman lectures

0 votes

What is the use of vectors for forces?

0 votes

Mass Addition in Special Relativity

0 votes
Accepted

How to show angle between velocity and acceleration vector is constant in polar co-ordinates?

0 votes
Accepted

Derivative with tensor indices

0 votes

What does the $j$ mean in this notation?

0 votes

The 'right' way to express the line element $ds^2$

0 votes

Very simple index notation question

0 votes

Regarding Energy and Momentum in QM