On a day in which the local atmospheric pressure is \(99.5 \mathrm{kPa}\), answer each of the following:

(a) Calculate the column height of mercury in a mercury barometer in units of meters, feet, and inches.

(b) Francis is concerned about mercury poisoning, so he builds a water barometer to replace the mercury barometer. Calculate the column height of water in the water barometer in units of meters, feet, and inches.

(c) Explain why a water barometer is not very practical.

(d) Ignoring the practicality issue, which of the two (mercury or water) would be more precise? Explain.