Physics 9702 · AS & A Level · Density and pressure

Density and pressure — practice question

A rectangular metal bar produces a pressure of $15\,200\,\text{Pa}$ on the level surface beneath it. The height of the metal bar is $80\,\text{cm}$. What is the density of the metal?

  • A$190\,\text{kg m}^{-3}$
  • B$1900\,\text{kg m}^{-3}$
  • C$19\,000\,\text{kg m}^{-3}$
  • D$190\,000\,\text{kg m}^{-3}$

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