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No - the stopping distance depends on the speed of the vehicle - it' not simply a case of 'doubling-up'.
Stopping distance
23 meters in normal conditions
243 feet
Requires 10 times the distance
when freezing, particles moves slow with out stopping.
Yes, friction affects stopping distance. The greater the friction the lower the stopping distance; the lower the friction the greater the stopping distance.
The distance your vehicle travels while stopping depends on various factors such as your speed, road conditions, and reaction time. On average, a car traveling at 60 mph can take anywhere from 100-130 feet to come to a complete stop.
There is too many factors to narrow the stopping distance down to a specific stopping distance. One of these factors is speed many people often are going to fast in icy condition causing horrible car pile-ups and many crashes. People need to be more cautious in icy conditions.
i do not know the answer drivers training is stupid!
It depends on the road conditions, as well the state of your brakes.
Stopping distance at 30mph = 23m