KingMammoth9605 KingMammoth9605

18-10-2017
Mathematics

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While traveling along a highway a driver slows from 24 m/s to 15 m/s in 12 seconds. What is the automobileâ€™s acceleration? (Remember that a negative value indicates slowing down or deceleration)

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barnuts barnuts

18-10-2017

We are given that:

vi, initial velocity = 24 m/s

v, final velocity = 15 m/s

t, time = 12 s

The formula for acceleration is:

a = (v – vi) / t

a = (15 – 24) / 12

a = - 0.75 m/s^2 (deceleration)

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