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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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