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BDifficulty 2/5

If speed increases while reaction time stays the same, what happens to reaction distance?

Correct answer

It increases.

It increases: reaction distance = speed × reaction time, using compatible units. This is the distance travelled before beginning the response, such as braking. It is distinct from reaction time and braking distance; driving faster does not guarantee better or quicker reactions. Total stopping distance also depends on braking and conditions.

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All options

  • It decreases.

  • It increases.

  • It always stays the same regardless of speed.

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