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Education
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b. Déterminez le temps qu’il faudra pour compléter cinq tours de course.
Rappelez – vous de faire plusieurs essais et faites la moyenne des résultats
pour arriver à votre valeur pour le temps.
c. Déterminez le temps qu’il faut pour 10 tours, 15 tours et 20 tours.
d. Calculez la vitesse / vitesse de la course :
v=d
t
Où : d = 5 fois la circonférence de la trajectoire des sièges prennent au cours
d’une révolution
t = le temps de 5 tours de la course
Mettez un morceau de ruban adhésif de masquage sur l’un des
sièges de sorte qu’il sera plus facile pour vous d’identifier les
rotations complètes.
Astuce :
Pour les versions d’imprimante des expériences, aller à : www.knex.com/instructions et entrez le code 77077.
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