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February 5, 2016

Homework Help: physics

Posted by Abby on Friday, November 30, 2012 at 9:12am.

A submarine is patrolling the ocean. Each hour, it descends 25 feet and then ascends 10 feet. At 7:00 AM, it is at a depth of –100 feet. What will its depth be at 11:00 AM?

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