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## Homework Statement

What physical quantity does ##\mathrm{J\cdot N\cdot W^{-1}\cdot kg^{-1}}## denote?

## Homework Equations

You can simplify using mechanics equations or ones from electrodynamics. Be creative, I guess.

## The Attempt at a Solution

##\mathrm{J\cdot N\cdot W^{-1}\cdot kg^{-1}}## simplifies to ##\mathrm{s\cdot N\cdot kg^{-1}}##. I don't know how to continue from this point.

Thanks in advance!