Answered

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A traffic-safety engineer is designing a deceleration lane. She is basing the length of
this lane on the distance needed to slow down from 126 km/h to 65 km/h in 8.5 s.
How long should the deceleration lane be?

Sagot :

pstnonsonjoku

The deceleration of the car is observed as 2 m/s^2.

What is deceleration?

The term deceleration has to do with the decrease of velocity with time.

Given that;

v = 65 km/h or 18 m/s

u = 126 km/h to or 35 m/s

t = 8.5 s

a = ?

v = u - at

18 - 35 = -8.5a

a = 18 - 35/-8.5

a = 2 m/s^2

Learn ore about deceleration:https://brainly.com/question/4403243?

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