An earthquake on the ocean floor in the Gulf of Alaska produces a tsunami (sometimes incorrectly called a "tidal wave") that reaches Hilo, Hawaii, 4,420 km away, in a time interval of 8 h 30 min. Tsunamis have enormous wavelengths (100 to 200 km). From the information given, find the average ocean depth between Alaska and Hawaii. (This method was used in 1856 to estimate the average depth of the Pacific Ocean long before soundings were made to give a direct determination.) Propagation speed of the wave, V Z ocean depth. Vgd; where d is the average Use g=9.8m/s .State your answer to the nearest meter.

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Chapter1: Units, Trigonometry. And Vectors
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An earthquake on the ocean floor in the Gulf of Alaska produces a tsunami
(sometimes incorrectly called a "tidal wave") that reaches Hilo, Hawaii, 4,420 km
away, in a time interval of 8 h 30 min. Tsunamis have enormous wavelengths (100 to
200 km). From the information given, find the average ocean depth between Alaska
and Hawaii. (This method was used in 1856 to estimate the average depth of the
Pacific Ocean long before soundings were made to give a direct determination.)
Propagation speed of the wave, V 2 Vgd; where d is the average ocean depth.
Use g=9.8m/s .State your answer to the nearest meter.
Transcribed Image Text:An earthquake on the ocean floor in the Gulf of Alaska produces a tsunami (sometimes incorrectly called a "tidal wave") that reaches Hilo, Hawaii, 4,420 km away, in a time interval of 8 h 30 min. Tsunamis have enormous wavelengths (100 to 200 km). From the information given, find the average ocean depth between Alaska and Hawaii. (This method was used in 1856 to estimate the average depth of the Pacific Ocean long before soundings were made to give a direct determination.) Propagation speed of the wave, V 2 Vgd; where d is the average ocean depth. Use g=9.8m/s .State your answer to the nearest meter.
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