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Physics, 01.08.2021 18:00 leannaadrian

Vật chuyển động thẳng biến đổi đều có phương trình chuyển động: x= -10 -2t+t^{2} (m;s). Vật dừng lại ở thời điểm: A. 2s
B. 1s
C. 1 + \sqrt{11}
D. 1 - \sqrt{11}

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