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location San Antonio, TX
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visits member for 4 years, 1 month
seen Apr 11 at 14:11

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revised What is the logarithm of a kilometer? Is it a dimensionless number?
added 312 characters in body
Sep
7
comment How should a physics student study mathematics?
@RonMaimon Oh, I forgot to say, you need an "@name" in your comment to notify another user. The post author is automatically notified of all comments, but users need to add the "@name" to notify each other. You can find more information than you will ever need about how it works in this thread.
Sep
7
comment How should a physics student study mathematics?
Thank you for taking the time and effort to impart your experience to me. I am sorry this was a poorly-formed question, but I am learning much from your answer already.
Sep
7
comment Fundamental question about dimensional analysis
@MarkEichenlaub Could you briefly explain exponentiation in the way that you mean?
Sep
7
answered What is the logarithm of a kilometer? Is it a dimensionless number?
Sep
7
comment Why is the Earth so fat?
I am curious as to why all of the answers do not consider the problem from view of the crust and mantle of the earth. This seems like a roundabout and difficult way of making a guess. If we liken the earth to a spinning water balloon or mass of clay, we can model the cohesiveness (or bulk modulus and others) of the clay, its gravity, and the forces resulting from its motion.
Sep
7
comment What is the logarithm of a kilometer? Is it a dimensionless number?
I think we need some examples of equations that do this, i.e. logarithms or powers of a quantity. Experience says in all equations arising from nature, the units combine to give a dimensionless number, e.g. in Planck's formula or Tsiolkovsky's rocket equation.
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May
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comment Finding the volume of this irregular shape I have
@Peter Thank you Peter for the comment. That would be the most accurate provided he has a suitably accurate scales.
May
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comment Would a submarine float in the atmosphere of Jupiter?
I think the question is, "Where in the atmosphere of Jupiter would a submarine's operating depth be?"