# Review Course Section Quiz 10

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1.     Calculate the Middle Ordinate (m) for a horizontal curve with radius (R) = 115 ft and a central angle (I) = 72 degrees
2.     Calculate the External Distance (E) for a horizontal curve with radius (R) = 115 ft and a central angle (I) = 72 degrees
3.     Calculate the Chord Length (L) for a horizontal curve with radius (R) = 115 ft and a central angle (I) = 72 degrees
4.     Calculate the Stopping Sight Distance (SSD) for a vehicle travelling 95 mph on a flat highway. Deceleration rate is 10 ft/s2 and perception-reaction time is 2.52 sec.
5.     Calculate the Decision Sight Distance (DSD) for a vehicle travelling 95 mph on a flat rural highway and merging from 3 lanes into 2 lanes. Pre-maneuver time (t) = 11 sec.

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