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Answer :

Answer:

[tex]a=1.6\ m/s^2[/tex]

Explanation:

Given that,

Initial speed, u = 0 m/s

Final speed, v = 4 m/s

Time, t = 2.5 s

We need to find the average  acceleration of Natalie. We know that average acceleration is equal to the change in speed per unit time. So,

[tex]a=\dfrac{v-u}{t}\\\\a=\dfrac{4-0}{2.5}\\\\a=1.6\ m/s^2[/tex]

So, her average acceleration is [tex]1.6\ m/s^2[/tex].

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