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9 Questions

Votes Activity Newest Views
4
36
votes
1
answer
9k
views

Can I eat myself into a black hole?

black-holes density estimation
Jul 4 '18 at 17:22 Qmechanic♦ 142k
3
12
votes
2
answers
2k
views

Conservative central force and stable orbits

classical-mechanics newtonian-gravity orbital-motion stability
Jul 3 '17 at 23:54 Diracology 15.4k
 
7
votes
1
answer
925
views

Estimating the current speed of sound

acoustics atmospheric-science speed
Aug 1 '17 at 4:04 pentane 2,752
 
3
votes
2
answers
70
views

Would setting the ideal gas constant to $1$ yield an attractive natural temperature scale? [closed]

temperature units ideal-gas dimensional-analysis absolute-units
Jun 9 '19 at 20:37 Qmechanic♦ 142k
 
2
votes
1
answer
145
views

Optimal material for a hammer head

material-science
Mar 6 at 16:14 Anders Sandberg 20.1k
 
1
vote
0
answers
25
views

Density of solids and liquids composed of different isotopes

density isotopes
Sep 2 '19 at 14:54 Community♦ 1
1
1
vote
4
answers
82
views

Absorption spectra

absorption photon-emission
Aug 23 '18 at 21:25 Bill Alsept 2,688
 
1
vote
1
answer
578
views

Electric force much stronger than gravitational force? [duplicate]

electromagnetism forces gravity physical-constants interactions
Jul 31 '18 at 14:58 Qmechanic♦ 142k
 
0
votes
1
answer
37
views

Sound from a rocket

thermodynamics fluid-dynamics acoustics rocket-science efficient-energy-use
Jun 29 '19 at 10:23 Victor Pira 2,607
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