4- المركبة العمودية والمماسية Normal and tangent components. (ديناميكا اعدادي)
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- Опубліковано 25 бер 2020
- Normal and tangent componentsNormal and tangent componentsNormal and tangent componentsNormal and tangent componentsNormal and tangent componentsNormal and tangent componentsNormal and tangent componentsNormal and tangent componentsNormal and tangent componentsNormal and tangent components