huynhhienngoc99 huynhhienngoc99
  • 25-09-2022
  • Physics
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1.10 Một vật thể nặng 450 N ở bề mặt Trái đất. Xác định khối lượng của vật thể tính bằng kilôgam và trọng lượng của nó tính bằng niutơn khi nằm trên một hành tinh có gia tốc trọng trường bằng 23,0 ft / s

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