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4 June, 13:43

When jumping, a flea accelerates at an astounding 1100 m/s2, but over only the very short distance of 0.58 mm?

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  1. 4 June, 15:27
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    If a flea jumps straight up, and if air resistance is neglected (a rather poor approximation in this situation), how high does the flea go?

    Answer;

    =0.065 m or 65 mm

    Explanation;

    v = √ (2as)

    = √ (2 * 1100m/s² * 0.00058 m) = 1.276 m/s

    Therefore; initial velocity = 1.276 m/s

    Then s = v² / 2g

    g = 9.8 m/s²

    = (1.276m/s) ² / 19.6 m/s²

    = 0.065 m or 65 mm
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