A fly undergoes a displacement of -5.80 m while accelerating at -1.33m/s^2 for 4.22s. What is the initial velocity of the fly?

Question

A fly undergoes a displacement of -5.80 m while accelerating at -1.33m/s^2 for 4.22s. What is the initial velocity of the fly?

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Gia Bảo 4 years 2021-07-22T15:23:21+00:00 1 Answers 97 views 0

Answers ( )

  1. thienan
    0
    2021-07-22T15:25:13+00:00
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    Answer:

    1.43 m/s

    Explanation:

    Given:

    Δx = -5.80 m

    a = -1.33 m/s²

    t = 4.22 s

    Find: v₀

    Δx = v₀ t + ½ at²

    -5.80 m = v₀ (4.22 s) + ½ (-1.33 m/s²) (4.22 s)²

    v₀ = 1.43 m/s

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