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## New answers tagged si-units

1 vote

### Can all physical quantities and units be derived from the seven base SI units?

I am not sure what other posts you have reviewed, but the standard literature covering SI units, also make clear that the SI units of mole and candela are redundant and solely made for convenience. ...
-1 votes

### Can all physical quantities and units be derived from the seven base SI units?

The short answer, to the best of my knowledge is, yes. Let us start by listing out the base units. We have second kilogram meter Ampere kelvin mole candela Now, run a few arbitrary checks on ...
0 votes

### How do you add temperatures?

It is unfortunate that the notation is exactly the same for these distinct cases: A) The temperature in summer is 20 K more than in winter. B) The temperature in summer is 20 °C more than in winter. ...
• 581
1 vote

### How do you convert from Townsend Unit $\rm Td$ to $\rm kV/(cm bar)$?

An educated guess by an insider. Everything rob says is correct and everything calculated in the question is correct. I have been making calculations with E/N values and I also have to convert from V/...
• 6,958

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