Question: D E 210 mm 240 mm 200 mm B Q1: Une plaque carre uniforme de 5 kg est supporte par deux tiges uniformes, lances

D E 210 mm 240 mm 200 mm B Q1: Une plaque

D E 210 mm 240 mm 200 mm B Q1: Une plaque carre uniforme de 5 kg est supporte par deux tiges uniformes, lances identiques de 1,5 kg AD et BE et est libr du repos dans la position = 45. Sachant que la vitesse angulaire de la tige AD lorsqu'il passe par la position verticale est de 5,2 rad/s, dterminer la quantit d'nergie dissipe dans frottement. = -ml 12 (A 5-kg uniform square plate is supported by two identical 1.5-kg uniform slender rods AD and BE and is released from rest in the position 0 = 45. Knowing that the angular velocity of AD as it passes through the vertical position is 5.2 rad/s, determine the amount of energy dissipated in friction.)

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