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Select the correct formula of kinetic energy of a wave?(a) \(\frac{KE}{A} = \frac{1}{4}ρa^2 × \frac{g}{g_c}\)(b) KE = \(\frac{1}{4}ρa^2 × \frac{g}{g_c}\)(c) KE = \(\frac{1}{4}ρa^2\)(d) \(\frac{KE}{A} = \frac{1}{4}ρa^2\)I had been asked this question during an interview.This question is from Wave Energy topic in section Ocean Energy & Geothermal Energy of Energy Engineering

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Right OPTION is (a) \(\frac{KE}{A} = \frac{1}{4}ρa^2 × \frac{g}{g_c}\)

The best explanation: The CORRECT formula for kinetic energy of a wave is \(\frac{KE}{A} = \frac{1}{4}ρa^2 × \frac{g}{g_c}\).

g = gravitational acceleration, m/s^2

gc = conversion factor

ρ = WATER density

a = amplitude

A = λL in J/m^2.


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