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Sagot :

VINS

bonsoir

donc question 3 uniquement

d = 0.14 v²

36 km / h = 36 000 : 3 600 =  10 m /s

d = 0.14 * 10²  =  14 m

35 = 0.14*v²

v² = 35 : 0.14  = 250

v = √250 =  ≅ 15.81 m/s

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