Suppose the average mass of raindrops is 3.0 × 10^-5 kg and their average terminal velocity 9 m/s.

Name: Suppose the average mass of raindrops is 3.0 × 10^-5 kg and their average terminal velocity 9 m/s.
Uploaded: Thu, 2020-09-10 14:32
Description: Suppose the average mass of raindrops is 3.0 × 10^-5 kg and their average terminal velocity 9 m/s.

#Work, Energy and Power
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Suppose the average mass of raindrops is $3.0 \times 10^{-5}kg$ and their average terminal velocity 9 m/s. Calculate the energy transferred by rain to each square meter of the surface at a place which receives 100 cm of rain in a year.

Answers (1)

Rain transfers its kinetic energy to the earth equal to $\frac{1}{2}mv^{2}$

Velocity of rain= 9m/s

Mass = volume/density

$= 1\times 1\times 1000 = 1000kg$

So, total energy transferred by rain fall = $\frac{1}{2} \times 1000 \times 9 \times 9$

= 40500 J

Posted by

infoexpert24

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Suppose the average mass of raindrops is and their average terminal velocity 9 m/s. Calculate the energy transferred by rain to each square meter of the surface at a place which receives 100 cm of rain in a year.

Answers (1)

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