1.

The average mass of rain drops is\[3.0\times {{10}^{-5}}kg\] and their average terminal velocity is 9 m/s. Calculate the energy transferred by rain to each square metre of the surface at a place which receives 100 cm of rain in a year.

A. \[3.5\times {{10}^{5}}J\]
B. \[4.05\times {{10}^{4}}J\]
C. \[3.0\times {{10}^{5}}J\]
D. \[9.0\times {{10}^{4}}J\]
Answer» C. \[3.0\times {{10}^{5}}J\]


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