In which of the following derived units can mechanical work be expressed?

The derived unit  $kgm^2s^{-3}A^{-1}$  is equivalent to:

The derived unit  $kgm^2s^{-3}A^{-2}$  is equivalent to:

The derived unit  $kgms^{-2}$  is equivalent to:

The derived unit  $kgm^2s^{-3}$  is equivalent to:

How do you convert kJ to J

How do you convert kW to W

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How do you convert hours to seconds

How do you convert cm² to m²

How do you convert m³ to cm³