Answer:it must take double of that which is used during the dry weather hence it should be six seconds.
Explanation:tyres have less grip on the road when it is slippery so it will take even more time for the car to halt as compared to when tyres are dry during dry conditions.
Also for the fact that one is unable to see ahead when it wet weather a bit of more seconds will be needed to see what the car ahead does in time.
