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Formulary Braking time (acceleration time)


Braking time for continuousdeceleration

1Driving
2Detection
3Perception
4Reaction
5Actuation
6Braking

The braking time is the amount of time that passes during a certain, steady change of speed per time-unit.

    2 · s
t =
      v

    v · t
s =
      2

      2 · s
v =
      t

Check your calculation!     You need help?
Please enter numbers only in two of the three fields!
v Begin/end speed m/s
s Deceleration/acceleration distance m
t Deceleration/acceleration time s

      a · t²
s =
       2

      2 · s
a =
         t²

Check your calculation!     You need help?
Please enter numbers only in two of the three fields!
a Deceleration/acceleration m/s²
s Deceleration/acceleration distance m
t Deceleration/acceleration time s

Example

Var. set:

s = 44,3 m; v = 100 km/h = 27,78 m/s

Var. asked for:

t in s

Answer

       2 · s
t = =
         v

 2 · 44,3 m
= 3,189 s
 27,78 m/s



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