What is the distance required to stop an average passenger car when brakes are applied on a 3.3% downgrade if that vehicle was originally traveling at 35 mi/h?

What will be an ideal response?


Use equation 3.25 to determine the braking distance.



Note that a is taken as 11.2 ft/sec2; therefore, a/g is equal to 0.35.

Db = 352 / 30(0.35 – 0.033)

Db = 128.81 feet

The braking distance required to stop the vehicle is 129 feet.

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