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A particular roadway segment has a 2000-ft section of 3% upgrade, followed by a 2000-ft section...

A particular roadway segment has a 2000-ft section of 3% upgrade, followed by a 2000-ft section of 5% upgrade. Using the composite grade method, determine the equivalent grade and exit speeds for each of the two grades. Assume an initial entry speed of 55 mph.

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