Some Sample Questions for Exam 1.

1. Determine the fastest two-way travel time for sound (sonar) to travel from a ship to the sea-floor and back in water that is 4.5 km deep. If the ocean were to warm by 2ƒC, does the travel time increase or decrease?

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2. It is 2 pm local time, and you call a friend in another state who reports that it is 12 noon locally. How many degree of longitude are the two of you separated by? Is your friend east or west of you?

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3.ÝYou and your buddies are on vacation in Hawaii and decide to take a 3 hour tour by ship. Your tiny ship is caught in a storm, blown 100's miles off course, and shipwrecked on an island in the pacific. All is lost with the exception of an AM radio, a dozen water bottles, paper and pencils. You decide to place notes in the bottle reporting your location. How do you determine your location?

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4.ÝTo escape from the island, you decide to build a boat. The boat dimensions must be sufficient to carry everyone from the island. You determine that the total weight of the survivors plus the wood for the boat will come to 1000 kg. What is the minimum amount of water that must be displaced by boat hull for it to float?