63. The city has an area of 400 km2 in 10 minutes during the dispensing of rain fell 20 mm of water. Calculate the energy and heat of fusion power drops in the rain, if the drops have reached the Earth's surface, have a diameter of 3 mm and formed from fine droplets of a diameter of 3 ∙ 10-3mm.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)