Charles Darwin,
2 answers:
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Kinetic energy per unit of mass is
Given,
Therefore,
Now potential energy per unit mass is
Given,
Therefore,
Thus, total mechanical energy of the river water per unit mass is
OR
Kinetic energy per unit of mass is
Given,
Therefore,
Now potential energy per unit mass is
Given,
Therefore,
Thus, total mechanical energy of the river water per unit mass is
OR