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Q&A

General Q&A about physics of any type and at any level

50%
+0 −0
Meaning of complex frequency [closed]

0 answers  ·  posted 1mo ago by MissMulan‭  ·  closed 1mo ago by MissMulan‭

33%
+0 −2
Optically, why are circular eyeglasses lenses better than rectangular?

1 answer  ·  posted 1mo ago by VLDR‭  ·  edited 1mo ago by VLDR‭

33%
+0 −2
25%
+0 −4
77%
+5 −0
Should I always write units in equation no matter if it looks like variable?

2 answers  ·  posted 10mo ago by deleted user  ·  last activity 10mo ago by Canina‭

71%
+3 −0
22%
+0 −5
30%
+2 −7
Why did my roller luggage's wheels stop turning smoothly?

0 answers  ·  posted 9mo ago by VLDR‭  ·  last activity 8mo ago by deleted user

28%
+0 −3
50%
+0 −0
60%
+1 −0
Calculating Surface temperatures of a thermal insulator

1 answer  ·  posted 6mo ago by re89j‭  ·  last activity 6mo ago by Olin Lathrop‭

62%
+3 −1
What does Lagrangian actually represent?

2 answers  ·  posted 12mo ago by deleted user  ·  last activity 11mo ago by deleted user

60%
+1 −0
Signal modeling as only digital, only analogue, or as both

3 answers  ·  posted 1y ago by deleted user  ·  last activity 12mo ago by Lundin‭

60%
+1 −0
Conductivity with angle of light

1 answer  ·  posted 7mo ago by MissMulan‭  ·  last activity 7mo ago by Olin Lathrop‭

71%
+3 −0
What is virtual work?

1 answer  ·  posted 12mo ago by deleted user  ·  last activity 6mo ago by deleted user

71%
+3 −0
What is "order" and "disorder" in entropy?

2 answers  ·  posted 10mo ago by deleted user  ·  last activity 10mo ago by Derek Elkins‭

75%
+4 −0
What is the meaning that the universe is flat?

2 answers  ·  posted 1y ago by deleted user  ·  last activity 1y ago by celtschk‭

50%
+0 −0
Prove differential form of Lagrangian

1 answer  ·  posted 12mo ago by deleted user  ·  last activity 12mo ago by celtschk‭

50%
+0 −0
Calculate inductance using laws of electromagnetism

1 answer  ·  posted 16d ago by MissMulan‭  ·  last activity 13d ago by Olin Lathrop‭

60%
+1 −0
What does Laplace operator represent?

1 answer  ·  posted 9mo ago by deleted user  ·  last activity 8mo ago by deleted user

71%
+3 −0
Calculate Center of Thrust

1 answer  ·  posted 9mo ago by Josh Hyatt‭  ·  last activity 9mo ago by Olin Lathrop‭

60%
+1 −0
30%
+1 −5
66%
+2 −0
60%
+1 −0
May it be that there are more than 8/9 planets in our solar system?

1 answer  ·  posted 7mo ago by deleted user  ·  last activity 7mo ago by Canina‭

66%
+2 −0
81%
+7 −0
Unusual way to write spacetime coordinates/metric: Is there any downside?

1 answer  ·  posted over 1 year ago by celtschk‭  ·  last activity over 1 year ago by dmckee‭

66%
+2 −0
What's the meaning of "outdated" in physics?

1 answer  ·  posted 8mo ago by deleted user  ·  last activity 7mo ago by Mithrandir24601‭

60%
+1 −0
50%
+0 −0
What is Apsidal Vector?

0 answers  ·  posted 11mo ago by Anonymous‭

42%
+1 −2
Book suggestion for Classical Mechanics

1 answer  ·  posted 12mo ago by deleted user  ·  last activity 11mo ago by deleted user

80%
+6 −0
What is inflation in cosmology?

2 answers  ·  posted over 1 year ago by deleted user  ·  last activity 1y ago by deleted user

66%
+2 −0
40%
+0 −1
If planet 9 exists, is it correct to say that it is a "dark planet"?

2 answers  ·  posted over 1 year ago by deleted user  ·  last activity 12mo ago by HDE 226868‭

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