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21 January, 13:10

3. An object thrown vertically upwards reached a maximum height of 5.0 m. Calculate:

(a) the velocity of the object when thrown

Ignore air resistance. [g = 9.81 m s-2]

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Answers (1)
  1. 21 January, 13:34
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    Correct answer: V₀ = 9.9 m/s

    Explanation:

    The subject is a vertical upward shot.

    We will use the following formula:

    V₀² = 2 · g · h = > V₀ = √2 · g · h, where V₀ is initial velocity

    V₀ = √2 · 9.81 · 5 = √ 10 · 9.81 = √98.1 = 9.9 m/s

    V₀ = 9.9 m/s

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