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Physics, 15.12.2021 04:40 luisr0754

: Chất điểm chuyển động trên đường thẳng với vận tốc biến đổi theo qui luật cho bởi đồ thị hình 2.1. Gia tốc của chất điểm trong thời gian từ 2,5s đầu là bao nhiêu?

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