Question

Which of these statements about speed management is true?

a. On a wet road, you should reduce your speed by about 1/3.
b. On packed snow, you should reduce your speed by about 1/2.
c. When the road is slippery, it will take longer to stop and it will be harder to turn without skidding.
d. All of the above.

Answer 1

The true statement about speed management is 'All of the above', meaning adjustments in speed should be made depending on road conditions to ensure longer stopping distances on wet roads and when facing packed snow. option d is correct

Step-by-step explanation:

option d is correct Regarding speed management and driving conditions, the true statement is d. All of the above. This means that:

• On a wet road, you should reduce your speed by about 1/3.
• On packed snow, you should reduce your speed by about 1/2.
• When the road is slippery, it will take longer to stop and it will be harder to turn without skidding.

The reasoning behind these precautions is based on physics. For example, a car can decelerate at 7.00 m/s² on dry concrete and only at 5.00 m/s² on wet concrete. Taking into account a reaction time of 0.500 seconds, it is clear that a vehicle will have a longer stopping distance under adverse conditions compared to dry pavement. Therefore, adjusting your speed according to the road conditions is crucial for safe driving.

The correct statement about speed management is d. All of the above. On a wet road, you should reduce your speed by about 1/3. On packed snow, you should reduce your speed by about 1/2. When the road is slippery, it will take longer to stop and it will be harder to turn without skidding.