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            <Attribute name="author">Brit Cruise</Attribute>
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            <video:title>Loi de l&#39;inverse du cube (mesure des oscillations)</video:title>
            <video:description>Mesurons maintenant la vitesse d&#39;oscillation de la boussole en fonction de la distance de l&#39;aimant. Quel type de relation observe-t-on ? Est-elle linéaire ?</video:description>
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            <video:category>Magnétisme</video:category>
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