User Cactus BAMF

8 votes

4 answers

16k views

Delta Dirac Charge Density question

asked Dec 8, 2012 at 2:30

7 votes

5 answers

7k views

Do perfect spheres exist in nature?

soft-question geometry nature

asked Jan 11, 2013 at 21:15

7 votes

3 answers

386 views

General Relativity Equivalence

general-relativity

asked Mar 1, 2013 at 2:33

6 votes

4 answers

13k views

Uniform chain falls off table Diff EQ

homework-and-exercises newtonian-mechanics classical-mechanics

asked Dec 18, 2012 at 23:19

5 votes

2 answers

337 views

Why don't Microwave ovens use more energetic EM radiation?

electromagnetism home-experiment

asked Jan 2, 2013 at 3:11

4 votes

1 answer

244 views

Can I find the frequency generated by tapping a battery on a coin?

electromagnetism electromagnetic-radiation home-experiment

asked Jan 9, 2013 at 3:36

3 votes

2 answers

2k views

Space Quantization of Quantum Angular Momentum

quantum-mechanics homework-and-exercises angular-momentum

asked Mar 12, 2013 at 17:58

3 votes

1 answer

2k views

Revealing Electric field lines through Grass seeds in mineral oil

electromagnetism electrostatics electric-fields home-experiment

asked Jan 27, 2013 at 2:13

3 votes

1 answer

704 views

Euler-Lagrange Equation with logarithmic potential

homework-and-exercises newtonian-mechanics classical-mechanics lagrangian-formalism variational-calculus

asked Dec 2, 2012 at 17:13

3 votes

1 answer

11k views

Rolling bowling ball with slipping

homework-and-exercises newtonian-mechanics classical-mechanics

asked Dec 31, 2012 at 2:57

2 votes

1 answer

321 views

Is the Earth's atmosphere a Faraday cage?

electromagnetism atmospheric-science earth

asked Dec 26, 2012 at 1:45

2 votes

2 answers

3k views

Why is there a Global Minimum for the Morse Potential?

thermodynamics statistical-mechanics solid-state-physics molecules

asked Feb 23, 2013 at 1:29

1 vote

1 answer

2k views

( Legendre Generating Function) Off axis Electric Potential from an insulated disk

homework-and-exercises electrostatics potential charge

asked Jan 8, 2013 at 21:30

1 vote

1 answer

621 views

Maximizing Multiplicity of Einstein Solid == (Temperature = $\infty$)?

quantum-mechanics homework-and-exercises thermodynamics statistical-mechanics

asked Apr 11, 2013 at 19:37

1 vote

1 answer

128 views

Why is my speed imaginary?

homework-and-exercises classical-mechanics

asked Sep 21, 2012 at 16:28

1 vote

2 answers

157 views

Mechanics Energy (Calculus)

homework-and-exercises classical-mechanics

asked Sep 21, 2012 at 18:45

1 vote

2 answers

326 views

Does the sign of $\Delta x$ matter in this time dilation calculation?

homework-and-exercises special-relativity

asked Sep 24, 2012 at 23:43

1 vote

1 answer

3k views

Is it possible to prove that the curl of a gradient equals zero in this way?

homework-and-exercises vectors vector-fields

asked Oct 8, 2012 at 23:14

0 votes

1 answer

2k views

Deducing latitude from Foucault Pendulum

homework-and-exercises newtonian-mechanics rotational-dynamics earth

asked Nov 4, 2012 at 21:54

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19 Questions

Delta Dirac Charge Density question

Do perfect spheres exist in nature?

General Relativity Equivalence

Uniform chain falls off table Diff EQ

Why don't Microwave ovens use more energetic EM radiation?

Can I find the frequency generated by tapping a battery on a coin?

Space Quantization of Quantum Angular Momentum

Revealing Electric field lines through Grass seeds in mineral oil

Euler-Lagrange Equation with logarithmic potential

Rolling bowling ball with slipping

Is the Earth's atmosphere a Faraday cage?

Why is there a Global Minimum for the Morse Potential?

( Legendre Generating Function) Off axis Electric Potential from an insulated disk

Maximizing Multiplicity of Einstein Solid == (Temperature = $\infty$)?

Why is my speed imaginary?

Mechanics Energy (Calculus)

Does the sign of $\Delta x$ matter in this time dilation calculation?

Is it possible to prove that the curl of a gradient equals zero in this way?

Deducing latitude from Foucault Pendulum