Final Answer:
Is greater than the distance required to react (3/4ths of a second), but shorter than the total stopping distance.
Step-by-step explanation:
This sentence likely refers to the three components of total stopping distance in the context of driving. In driving, the total stopping distance is the sum of the distance covered during the perception and reaction time plus the braking distance. The distance required to react is the time it takes for a driver to perceive a hazard and initiate a response, typically estimated at 3/4ths of a second.
The remaining portion of the total stopping distance is the braking distance, which is the distance a vehicle travels once the brakes are applied. Therefore, the complete sentence is emphasizing that the distance covered during the driver's reaction time is greater than the reaction time itself but still shorter than the entire stopping distance, indicating the significance of both reaction time and braking distance in safe driving.