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inverse dimensions/units

gre
in Physics

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The SI units for electrical resistance are s^3 * A^2 / m^2 * kg and conductance has the exact opposite units (dimensions). Same with capacitance and elastance.

 

What would you call the opposite of acceleration, s^2 / m .. This doesn't represent deceleration, but does it represent anything?

 

Or Joules (energy) .. s^2 / kg * ms^2 .. I like the idea that nothing can exist without an opposite (inverse) , but I'm not sure if there is an opposite to Joules, etc.

There is the inverse to these (which is not an opposite), but it could be meaningless. Can you think of something that would have whatever units you selected?

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