In wet conditions, how much longer does it take to stop?

Answer: B — Twice as long

In wet conditions, it takes approximately twice as long to stop compared to dry conditions. This is mainly due to the reduced friction between the tires and the wet road surface, leading to longer stopping distances. When roads are wet, water can create a layer that decreases tire traction, making it harder for vehicles to grip the road effectively. Drivers should be particularly cautious in wet weather, as it can significantly affect braking performance. The increased stopping time under these conditions highlights the importance of maintaining a safe following distance and adjusting speed appropriately to allow for the longer stopping distance required in such situations. This knowledge is crucial not only for the safety of the driver but also for all road users.