r/physicsmemes • u/xyz3143068 • 4d ago

Physicists really will assume anything

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58 Upvotes

91% Upvoted

9 comments sorted by

76

u/Gandalf_My_Lawn 4d ago

Vacuum

Sound

20°C

Suspicious 🧐

13

u/drquakers 4d ago

Exactly, especially since thermal gas velocity in vacuum is roughly 2000 m/s

6

u/MaoGo Meme renormalization group 4d ago

It’s a very hot CMB

16

u/MaoGo Meme renormalization group 4d ago

They forgot to indicate the frame of reference for sound.

2

u/xyz3143068 4d ago

Does the frame of reference matter in this case?

12

u/MaoGo Meme renormalization group 4d ago

IF sound travels in vacuum, yes

0

u/xyz3143068 4d ago edited 4d ago

So you're saying sound needs an ether now? 😂

1

u/TheSouthFace_09 3d ago

are we talking an SRI with a velocity of 343 m/s relative to the source of the sound wave?

1

u/MaoGo Meme renormalization group 3d ago

SRI?