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Đồ thị hình vẽ biểu diễn sự biến thiên tốc độ của một vật chuyển động thẳng theo thời gian, biết góc = 300. Nếu khối lượng của vật là 20 kg thì hợp lực tác dụng vào vật có độ lớn là bao nhiêu ?
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Apr 19, 2022
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Đồ thị hình vẽ biểu diễn sự biến thiên tốc độ của một vật chuyển động thẳng theo thời gian, biết góc = 300. Nếu khối lượng của vật là 20 kg thì hợp lực tác dụng vào vật có độ lớn là bao nhiêu ?
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Shubham Kumar
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Cho e xin câu trả lời được không ạ?
Phil Lamb
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Apr 22, 2022
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