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14 November, 15:24

After 2.0s, Isabela. was riding her bicycle at 3.0m/s on a straight path. After 5.0s she was moving 5.4m/s. What was her acceleration?

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  1. 14 November, 17:44
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    Her acceleration was 0.8 m/s².

    Explanation:

    Given dа ta:

    Final speed v₂ = 5.4 m/s

    Initial speed v₁ = 3.0 m/s

    Initial time t₁ = 2 s

    Final time t₂ = 5 s

    Acceleration = ?

    Solution:

    acceleration = (v₂ - v₁) / (t₂ - t₁)

    acceleration = 5.4 - 3 / 5-2

    acceleration = 2.4 / 3 = 0.8 m/s²
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