Sunday, November 4, 2012

Textbook: Page 60, Question 13

A submarine was cruising at a depth of 153m. It then rose at 4.5m/min for 15 min.
   a) What was the submarine's depth at the end of this rise?
   b) If the submarine continues to rise at the same rate, how much longer will it take to reach the surface?

                                               A) 85.5m
                                    B) It would take 19 minutes for the submarine to reach the surface

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