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  • 11 votes cast
Nov
26
accepted If I mix 1 unit of water at at 30C° with 1 unit of water at 60C°, is the resulting water at 45C°?
Nov
26
comment If I mix 1 unit of water at at 30C° with 1 unit of water at 60C°, is the resulting water at 45C°?
Thank you very much. During these two days I learned a lot. I'm now slightly better at physics! Your answer is really great and taught a lot. I wouldn't have even thought about it without comments. I'm now much more educated. I'm accepting it again.
Nov
26
awarded  Commentator
Nov
26
comment If I mix 1 unit of water at at 30C° with 1 unit of water at 60C°, is the resulting water at 45C°?
Wow... So complicated... I removed accepted answer for now so someone can do precise calculation. It's the same tap water heated, and the room temperature is °20C.
Nov
26
awarded  Yearling
Nov
26
revised If I mix 1 unit of water at at 30C° with 1 unit of water at 60C°, is the resulting water at 45C°?
added 8 characters in body
Nov
26
accepted The temperature in space is about 3K, however there are almost no atoms in space. How can there be residual heat?
Nov
26
asked If I mix 1 unit of water at at 30C° with 1 unit of water at 60C°, is the resulting water at 45C°?
Nov
15
asked What happens if a motorcycle going at 50mph crashes head into a car going at 60mph?
Nov
14
awarded  Good Question
Nov
12
asked How do we know which direction heat flows? From cold to hot, or from hot to cold?
Nov
10
comment Is is true that if they can see me I can see them?
Unclear what I'm asking?
Nov
10
asked Is is true that if they can see me I can see them?
Nov
6
awarded  Critic
Nov
5
awarded  Editor
Nov
5
comment Using gravity's force to do work?
They seem to convert water's momentum into energy, no? What I mean is extracting energy purely based on gravitational force F = G*m1*m2/r^2. Like when you've two big rocks, they attract each other. Can't we somehow make them do work as well while they keep attracting?
Nov
5
asked Using gravity's force to do work?
Oct
17
asked The temperature in space is about 3K, however there are almost no atoms in space. How can there be residual heat?
Sep
19
asked Can you record sound through vacuum? Like this: (object)(vacuum)(object)
Sep
19
awarded  Good Question