vutuananh2122004 vutuananh2122004
  • 23-11-2022
  • Physics
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Một bánh xe hình trụ rỗng đồng chất, khối lượng m = 2 kg, lăn không trượt trên mặt phẳng ngang với vận tốc tịnh tiến v = 4 m/s. Động năng của nó là

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