A pipe with one end open is floating in a liquid, as illustrated. The pipe has a cross-sectional area of $0.012\,\text{m}^2$. Its weight is $32\,\text{N}$. What is the density of the liquid?
- A$680\,\text{kg m}^{-3}$
- B$910\,\text{kg m}^{-3}$
- C$6700\,\text{kg m}^{-3}$
- D$8900\,\text{kg m}^{-3}$