Review problems Exam 2 Fall 2012

How fast is changing 15 minutes later b how fast is

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Unformatted text preview: st is changing 15 minutes later? b. How fast is the distance between the plane and the station changing after 15 minutes? 4. A manufacturer makes boxes with square bottoms. The cost of 10-cubic-foot box with bottom dimensions by is given by = 5 + 80/ . What is the minimum cost of a box if must be at least 1 foot but no more than 3 feet? 5. A ball is tossed up vertically from ground level and returns to earth 4 seconds later. What was the initial velocity of the ball and maximum height. (Use =+ − with = 32 ft/s .) 6....
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