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Tuesday, June 23, 2009

18. Once the brakes have been applied, about how many feet does a car which was going 70 mph travel before it comes to a stop?

Answer:
It takes 233 feet for the car to stop from the moment the driver hit the breaks.

*The answer is not 387. The question states "Once the brakes have been applied ...." You don't need to add the feet traveled by the time it takes to think and process braking. (See page 8-1 for proof.)
Posted by Austin M at 9:53 PM

4 comments:

  1. AnonymousJuly 22, 2009 at 9:50 PM

    It is not 387. The question states " Once the brakes have been applied ...". You don't need to add the feet travelled by the time it takes to think and process braking, the answer is 233 feet. - look at the chapter 8 page 1 -

    ReplyDelete
  2. Austin MJuly 24, 2009 at 10:39 AM

    Thank you for finding the error. It has been corrected.

    ReplyDelete
  3. AnonymousJune 26, 2015 at 9:01 PM

    When I took the practice test it said it takes 387 feet and said it was right and it didn't have the answer 233

    ReplyDelete
  4. AnonymousJanuary 19, 2016 at 12:10 PM

    The book states 378 feet to stop

    ReplyDelete

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