menu

If you double your speed on a highway, your braking distance increases by

Correct answer

  • four times.
  • five times.
  • three times.

Explanation

When you increase your speed, your braking distance increases as the square of the speed increase. If you double your speed, your braking distance becomes not twice as long but four times as long. If you triple your speed, your braking distance becomes nine times as long.

Permit Test Practice - Select Your State

Search all Question & Answers

Related questions

If you are driving slower than the other traffic on a freeway or interstate highway, you should use
The distance your vehicle travels between the time you recognize a hazard and the time you apply the brakes is known as
On a North Carolina State highway where there is no posted speed limit, the fastest you may legally drive is
When following a vehicle at night,
When stopped behind another vehicle on a hill, you should stay back at least
If you are moving through an intersection with a green light and a pedestrian starts to cross your path against a red light, you should first
You arrive at an intersection whose traffic signals are not working; none of the lights are on. What must you do?
Shared center lanes are reserved for _________ and can be used by vehicles traveling in either direction.
When you see an elderly person crossing an intersection, you should
If an oncoming vehicle approaches you with its high beams on, slow down and look toward