Water at \(10^{\circ} \mathrm{C}\) flows in a \(1.2-\mathrm{cm}\)-diameter pipe at a rate of \(1.33 \mathrm{~L} / \mathrm{min}\). The hydrodynamic entry length is

(a) \(0.60 \mathrm{~m}\)

(b) \(0.94 \mathrm{~m}\)

(d) \(1.20 \mathrm{~m}\)

(e) \(1.33 \mathrm{~m}\)