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Let's discover mechanical waves! ????The entire Spé Physique program (courses and exercises): https://novelclass.com/inscription/el... • SUBSCRIBE (thank you): https://bit.ly/2QFIi6S • All my videos: https://novelclass.com/ In this video, you will discover: • mechanical waves • transverse • longitudinal ✎ Take a pen to do the exercises at the same time as me! ★ The interactive version of the videos is available on https://novelclass.com/ NovelClass is interactive videos and effective teaching to boost students and allow them to work independently! ✔ Our educational tool is unique ✔ Progressive exercises, adapted to all levels ✔ The teachers are young and attentive ✔ The students regain confidence ✔ The parents are supported ✔ New: Orientation videos Parents, students, teachers, we love to talk to you: [email protected]