Physics, 03.11.2020 16:20 badboy502503
Bonsoir tout le monde j aurais besoin d'aide Lors d'un contrôle technique, on étudie le freinage d'une voiture de poids P= 9,6 kN. La force de freinage totale (avant et arrière) mesurée vaut F= 8,92 kN. 1. Quelles sont les forces qui s'appliquent sur la voiture ? Les schématiser à l'échelle. 2. Donner les caractéristiques de la résultante des forces. 3. Calculer la variation de vitesse de la voiture en 1 seconde lors du freinage en m·s-1 puis en km·h-1.
Answers: 2
Physics, 22.06.2019 05:40
Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?
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Objects a and b are visible in the night sky. six months later they are still visible, but object b shows less parallax than object a. which object is closer? a. a b. b c. you would need to wait another six months in order to figure this out. d. you would need to know the objects' angular diameters in order to figure this out.
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Bonsoir tout le monde j aurais besoin d'aide Lors d'un contrôle technique, on étudie le freinage d'u...
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