Answered

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Un hamster fait tourner sa cage de 27cm de diamètre a raison de 14tours par minute .quel est le module de l accélération centripète d un morceau de nourriture collé sur la paroi extérieure de la cage ?

Sagot :

Answer:

Explanation:

a_c = ω²R

14 rev/min (2π rad/rev)(1 min/60 s) = 1.466 rad/s

a_c = 1.466²(0.27/2)

a_c = 0.29 m/s²

Le hamster est lent

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