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September 22, 2014

September 22, 2014

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

- physics -
**drwls**, Friday, November 30, 2012 at 9:32amThere is a net descent of 15 feet per hour. In 4 hours, there is a net descent of 60 feet. The depth will then be (-)160 feet.

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