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If Your Ship Is Out in the Middle of the North

question 9

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If your ship is out in the middle of the North Pacific Ocean on the edge of the abyssal plain south of the Aleutian trench, how deep is the seabed if it took 6 seconds to get a bottom return from your 3500 kilohertz echo sounder? Use the equation: depth (m) = 0.5 * (1500 m/s * total 2-way travel time in sec)


Definitions:

Critical Path Method

A project management technique that identifies the longest sequence of dependent tasks and calculates the minimum project duration.

PERT Chart

A resource for project administrators to schedule, coordinate, and organize project-related tasks.

Longest Line

The longest line could refer to the greatest distance between two points in a given set or the most extended queue of people or items arranged linearly.

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The action of leading a group of people or an organization, involving guiding, inspiring, and motivating others towards achieving common goals.

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