31.4 - Illustration of mean speeds
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Practice Questions
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What is time mean speed?
💡 Hint: Think about how average speeds are calculated over time.
How do we calculate headway?
💡 Hint: Consider what spacing and speed mean together.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for time mean speed?
💡 Hint: Focus on how average calculations are performed.
True or False: Space mean speed is always greater than time mean speed.
💡 Hint: Review the definitions carefully.
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Challenge Problems
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A stretch of road has a time mean speed of 30 m/s with 100 vehicles traveling. If the headway is recorded as 2s, what is the space mean speed?
💡 Hint: Apply definitions and remember how each speed type is derived.
In a test scenario, two sets of vehicles with average speeds of 10 m/s and 50 m/s, find the relationship between flow and density given the speed of incoming versus outgoing vehicles.
💡 Hint: You may want to break down speeds by their mean methods and establish flow parameters.
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