13.2.1 - Stopping Sight Distance (SSD)
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Practice Questions
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What is Stopping Sight Distance?
💡 Hint: Consider what distance ensures safety from collisions.
State the formula for lag distance.
💡 Hint: Think about how far the car travels before braking starts.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Stopping Sight Distance (SSD) measure?
💡 Hint: Focus on the outcome, what SSD ensures.
True or False: Lag distance and braking distance are the same.
💡 Hint: Remember when each occurs during stopping.
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Challenge Problems
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A vehicle moving at 90 km/h encounters a stopped vehicle. Calculate the SSD needed considering a reaction time of 2.5 seconds and a friction coefficient of 0.6.
💡 Hint: Convert km/h to m/s for accurate calculations.
How would SSD calculations differ on an inclined road? Illustrate with an example.
💡 Hint: Think of how gravity affects the effective stopping ability.
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