You're Racing Toward a Wall. Should You Brake Hard—or Swerve?

You're Racing Toward a Wall. Should You Brake Hard—or Swerve?

5 years ago
Anonymous $4ckUSNo_FL

https://www.wired.com/story/youre-racing-toward-a-wall-should-you-brake-hardor-swerve/

I know it was a long time ago, but there was this interesting discussion about stopping a car on an episode of Car Talk. Should you just brake as hard as possible or should you brake and weave back and forth? The idea is that by weaving back and forth you increase your total distance traveled, but you might be able to stop in a shorter distance along the road (assuming it's straight).

Actually, this is related to a fun physics question. Suppose you are driving along and headed towards a wall. Should you slam on the brakes or turn? Let's assume that it's an infinitely long wall such that you would have to turn a full 90 degrees in order to miss the wall. What should you do? Hurry, there's no time. Actually, we do have time. Let's calculate the required distance for these two cases.

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