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28 September, 04:39

Freddy Frog takes a dive from a bridge 53.0 m above a

river. Freddy is an expert and can streamline himself to avoid

windresistance. How long will it take him to reach his

aquatichomeland?

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Answers (1)
  1. 28 September, 06:01
    0
    It will take him 3.29 s to reach his aquatic homeland

    Explanation:

    From the equation of motion,

    S = ut + 1/2gt² ... Equation 1

    Where S = Height, u = initial velocity, g = acceleration due to gravity, t = time.

    Note: For a falling body, u = 0 m/s.

    S = 1/2gt² ... Equation 2

    Making t the subject of the equation

    t = √ (2S/g) ... Equation 3

    Given: S = 53.0 m,

    Constant: g = 9.8 m/s²

    Substituting these value into equation 3

    t = √ (2*53/9.8)

    t = √ (106/9.8)

    t = √10.82

    t = 3.29 s

    Therefore it will take him 3.29 s to reach his aquatic homeland
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