Physics - Fluid Question with Solution | TestHub

directly proportional to $\mathrm{R}$ but inversely proportional to $\mathrm{v}$.

directly proportional to both radius $R$ and velocity $v$.

inversely proportional to both radius $\mathrm{R}$ and velocity $\mathrm{v}$.

inversely proportional to $\mathrm{R}$ but directly proportional to velocity $\mathrm{v}$.