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BDifficulty 2/5

All B licence questions · DGT question bank

For the same reaction time, how does increasing speed affect the distance travelled before starting to brake for a hazard?

Correct answer

The distance travelled during that time increases.

It increases reaction distance: more metres are travelled in the same interval. Driving faster does not automatically shorten the time a driver takes to react. Drowsiness, fatigue, alcohol or certain substances can increase that time; distinguish distance travelled, reaction time and the available margin before a hazard.

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  • The distance travelled during that time increases.

  • The distance decreases because reaction time is the same.

  • The distance stays unchanged regardless of speed.

The real exam in English is a translation of the Spanish original; compare both here.

Show the Spanish original

A igual tiempo de reacción, ¿cómo influye aumentar la velocidad en la distancia recorrida antes de empezar a frenar ante un peligro?

  1. La distancia recorrida durante ese tiempo aumenta.(Correct answer)
  2. La distancia disminuye porque el tiempo de reacción es el mismo.
  3. La distancia no cambia, cualquiera que sea la velocidad.

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