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Power $P$

How fast energy is transferred

$$P=\frac{\mathrm dE}{\mathrm dt}$$

$E$ is energy being transferred (work $W$ or heat $Q$) over time $t$.

  • Scalar property
  • Symbol: $P$
  • SI-unit: Joule-per-second $\mathrm{[J/s]=[kg\cdot m^2/s^3]}$

1 Required Step