A Section of Ocean Shoreline Has Incident Waves with a Constant

question 16

Essay

A section of ocean shoreline has incident waves with a constant period of $15 \mathrm {~s}$ . During one day the waves have a height of $2 \mathrm {~m}$ for 12 hours, $3 \mathrm {~m}$ for 8 hours, and $5 \mathrm {~m}$ for 4 hours.
(a) What is the total energy available per km of coast?
(b) During which period of different wave heights is the greatest energy available?
(c) What is the average wave power per km of coast during the day?

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