#### Question

The CGS unit for measuring the viscosity of a liquid is the poise (P): $1 \mathrm{P}=1 \mathrm{g} /(\mathrm{s} \cdot \mathrm{cm})$. The SI unit for viscosity is the $\mathrm{kg} /(\mathrm{s} \cdot \mathrm{m})$. The viscosity of water at $0^{\circ} \mathrm{C}$ is $1.78 \times 10^{-3} \mathrm{kg} /(\mathrm{s} \cdot \mathrm{m})$. Express this viscosity in poise .

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#### Step 1

1 of 6

We need to express the viscosity of water:

$\tag{1} \mu=1.78\cdot10^{-3}\,\frac{\text{kg}}{\text{s}\cdot\text{m}}$

from SI units into CGS units, when we know:

$\tag{2} 1\,\text{P}=1\,\frac{\text{g}}{\text{s}\cdot \text{cm}}$

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