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A severe thunderstorm dumped 2.4 in. of rain in 30 min on a town of area 28 km2. what volume of water, in acre-feet, fell on the town?

Respuesta :

The volume of water fell on the town is 1382 acre foot.

To find the volume of water, the given values are:

Area of the town = 28 km² (square kilometer)

Time = 30 minutes

Height = 2.4 inch

What is the volume of rainfall?

   The volume of water during a severe thunderstorm can be calculated as,

At first inch should be converted to meter,

1m = 39.37 inch

So, 2.4 inch = 2.4 / 39.37

                    = 0.0609 m

Then, we have to calculate the volume,

Formula of volume,

Volume V = Height H × Area A

                = 0.0609 × 28 × 1000²

                = 1705200 m³

Here, the volume should be in acre feet,

The value of, 1 m³ = 0.000810714 acre foot

so, 1705200 m³ = 1382.43 acre foot

Hence, the volume of water during a severe thunderstorm, fell on the town was 1382 acre foot.

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