tranthithanhbinh0511 tranthithanhbinh0511
  • 06-10-2021
  • Physics
contestada

một quả bóng quần vợt nặng 0,060kg chuyển động với tốc độ 45,0m/s va vào bức tường dưới một góc 45 độ rồi bật trở ra với ucngf tốc độ cũng ở góc 45 độ . thòi gian va chạm là 4,00m/s

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20200037130022
20200037130022 20200037130022
  • 06-10-2021

can you tell in English.......

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