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td3ex1cinematiqueenrotationetcinematiquedusegmentcorporel.py

Created by math-pana72

Created on April 25, 2025

403 Bytes

Exercice 1
Calculez l’accélération exercée 
sur un sprinter qui effectue un 
virage, à vitesse constante, en
15 s sur une piste d’athlétisme 
de 400 m dont les lignes droites 
sont de 80 m ?


reponse
t=15s
V=d/t=120/15=8m/s
Ar=Vcarre/r=8carre/38,20=1,68m/scarre

perimetre cercle 2piR
        1/2 cercle =piR
120=pi*R
R=120/pi=38,20

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