Correction exercices ondes 7-8-9 -18- 20- 21 -22-25
ex 21 p 52. 1) ? = v / f = 340 / 880 = 0,386 m. 2) t = d / v = 10 / 340 = 0,0294 s. Page 6. Exercice 22 p55. Exercice 25 p56. Page 7. Exercice 26 p55. Exercice ...
ex 21 p 52. 1) ? = v / f = 340 / 880 = 0,386 m. 2) t = d / v = 10 / 340 = 0,0294 s. Page 6. Exercice 22 p55. Exercice 25 p56. Page 7. Exercice 26 p55. Exercice ...