User Magpie - Physics Stack Exchange

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	298 reputation	bio	website	thismagpie.blogspot.co.uk	visits	member for	10 months
115 badges		location			seen	yesterday

3

25

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6

answers

1

kviews

Can I survive a free fall using a ramp and a rope?

apr 9 at 12:33 Vorac 225

9

12

votes

2

answers

2

kviews

What's wrong with this derivation that $i\hbar = 0$?

quantum-mechanics

sep 11 at 19:57 David Zaslavsky♦ 27.4k

2

11

votes

2

answers

1

kviews

Deriving the Lagrangian for a free particle

classical-mechanics lagrangian-formalism inertial-frames action

jan 10 at 0:10 nervxxx 1,325

2

10

votes

3

answers

225

views

The notion of an adiabatic process in thermodynamics -vs- quantum mechanics

quantum-mechanics thermodynamics terminology adiabatic

apr 28 at 18:09 Colin McFaul 1,403

6

7

votes

3

answers

793

views

Zero magnetization of spin model without external magnetic field

statistical-mechanics ising-model

may 7 '11 at 12:26 Marek 11.4k

2

5

votes

2

answers

949

views

Why do reversible processes not increase the entropy of the universe infinitesimally?

thermodynamics entropy reversibility

oct 12 at 20:42 genneth 4,014

1

5

votes

3

answers

147

views

General Relativity Equivalence

general-relativity

mar 1 at 5:30 stankowait 170

2

4

votes

3

answers

826

views

Why is the canonical ($NVT$) ensemble often used for (classical) molecular dynamics (MD) simulations?

statistical-mechanics condensed-matter physical-chemistry simulation computational-physics

jul 17 at 15:21 Steve B 3,359

1

3

votes

1

answer

346

views

How to calculate the Gibbs free energy out of a given Entropy?

homework thermodynamics

feb 10 '12 at 0:22 akhmeteli 3,254

1

3

votes

4

answers

548

views

Relativistic momentum

special-relativity mass momentum

nov 14 at 22:04 Muphrid 2,165

3

2

votes

2

answers

286

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Is there a subtlety to the Lorentz transformations one needs to be aware of?

special-relativity

may 26 '12 at 11:17 John McVirgo 1,676

1

2

votes

1

answer

500

views

Lorentz transformation matrix and its meaning in Minkowski diagram

special-relativity minkowski-space

oct 21 at 9:35 Vašek Potoček 185

1

2

votes

1

answer

404

views

Elastic collision in two dimensions

homework newtonian-mechanics energy-conservation momentum

dec 10 at 7:32 leongz 1,088

1

2

votes

0

answers

82

views

Gibbs Ensemble initial densities

simulation

nov 14 '11 at 17:38 Hooked 187

2

votes

2

answers

732

views

Software to simulate and visualize atoms?

quantum-mechanics simulation software quantum-chemistry

jan 3 '12 at 6:38 Ron Maimon 44.8k

1

2

votes

1

answer

266

views

Resolution of twin paradox using Lorentz velocity addition

special-relativity

oct 8 at 6:08 Chris White 8,120

1

2

votes

1

answer

267

views

3D Minimum uncertainty wavepackets

quantum-mechanics uncertainty-principle

mar 18 '11 at 22:28 Avi Steiner 154

1

2

votes

2

answers

138

views

Differences In Potential Equations

electricity electrostatics potential potential-energy

feb 8 '12 at 5:48 David Zaslavsky♦ 27.4k

1

vote

0

answers

97

views

Difficulties with understanding total entropy change and unavailabillty

thermodynamics entropy

mar 26 at 22:24 Hopp 6

1

vote

1

answer

115

views

Why does Lorentz factor not hold for relativistic mass when we apply it to photons?

special-relativity visible-light speed-of-light mass photons

may 10 at 4:33 Magpie 298

1

vote

2

answers

127

views

deriving a Lorentz transfomation for velocity vector components

special-relativity

nov 28 at 21:06 Magpie 298

1

vote

1

answer

152

views

4-momentum and an $y$ component of momentum

special-relativity momentum reference-frame

dec 10 at 10:50 71GA 370

1

vote

0

answers

49

views

Temperature measurement, precision

homework thermodynamics

sep 11 at 3:34 jak 366

1

0

votes

3

answers

261

views

Divergence equations (Maxwell)

electromagnetism maxwell-equations

apr 14 at 8:38 Qmechanic♦ 17.3k

1

0

votes

2

answers

178

views

How to teach myself physics needed at undergraduate electrical engineer level?

soft-question education electrical-engineering general-physics

apr 8 at 5:41 Siva 1,484

1

0

votes

2

answers

367

views

Operators Uncertainty

quantum-mechanics uncertainty-principle

apr 21 '12 at 23:34 Community♦ 1

2

0

votes

1

answer

194

views

How is acceleration computed in the leap-frog algorithm in computer simulations of particles?

simulation computational-physics computation

aug 8 at 20:44 leonbloy 320

Magpie

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