Physics, 14.07.2021 15:30, amohammad6

Mộtchấtđiểmtăngtốctừ v0 =20m/sđạtđến v=80m/strênđườngthẳngvớigia tốc a = 45 m/s2. Khoảng thời gian thay đổi tốc độ đó là bao nhiêu?

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Mộtchấtđiểmtăngtốctừ v0 =20m/sđạtđến v=80m/strênđườngthẳngvớigia tốc a = 45 m/s2. Khoảng thời gian...