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Wisconsin Speed Control practice

Practice 20 Wisconsin DMV questions on speed control. Answer interactively below with an instant explanation after every question.

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Example questions & answers

1

How much does your braking distance increase if you double your speed on a highway?

Illustration for question 1
  • A.two times.
  • B.three times.
  • C.four times.✓
  • D.five times.

Why: When you double your speed, your braking distance doesn't just double; it quadruples. This is because kinetic energy increases with the square of the speed.

2

How much space should you leave when stopping behind another vehicle on a hill?

Illustration for question 2
  • A.one vehicle length.✓
  • B.two vehicle lengths.
  • C.three vehicle lengths.
  • D.four vehicle lengths.

Why: When stopped behind another vehicle on a hill, you should leave at least one vehicle length of space. This gap protects you if the vehicle in front rolls backward when the driver releases the brake.

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Practice material only — verify current rules with the Wisconsin Division of Motor Vehicles.