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# Questions tagged [dimensional-analysis]

Dimensional analysis means to obtain results by analyzing the units in question, etc. DO NOT USE THIS TAG if your question is about degrees of freedom or spatial dimensions.

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### Prove gravitational constant $G=1$ in geometric units

I've seen that often geometric units are defined by setting $G=c=1$, however, I have been working with a different definition, namely, to multiply time in seconds by $c$ so that it's measured in ...
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### How to apply dimensional analysis to solve the problem? [closed]

There is no question here now as the question was completely misleading. You can click here to see some questions?
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### Is 0 of anything the same as 0 of any other thing? [duplicate]

So, we know that in physics, units matter. 2 cm is different from 2 newtons which is different from 2 seconds. But what if the number is 0? Is 0 of any unit the same as 0 of any other unit?
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### Regarding dimensions

As the title states, my question is regarding dimensions of a physical quantity. My question is, can the exponent of dimension of a physical quantity be a fraction? I came up with this question ...
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### Can we determine the numeric sign of proportional constant using dimensional analysis? [closed]

is it true or false can we determine the numeric sign of proportional constants in a physical equation using dimensional analysis?