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May 6, 2015

Homework Help: Pre-Algabra

Posted by Mackenzie on Friday, February 8, 2008 at 8:01pm.

Unfortunately for mariners, the total amount of wave energy in a storm doesnt depend on the first power of wind speed, but on the fourth power. The seas generated by forty knot wind arent twice as violent as those from a twenty knot wind, they are 17 times more violent. A ships crew watching the anemometer climbs even ten knots could be in great danger.

E stands for energy (in foot pounds)in each square foot of a wave with height h.

An equation that relates E and s(speed of knots)is 0.002888s^4

What is the wave energy per square foot when the wind speed is 20 knots? 40 knots? Is the wave energy for a 40 knot wind about 1[7 times the wave energy for a 20 knot wind?

PLEASE HELP ME!!!!!!!

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