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tatuananh220520
2 năm trước
Bài 1. Vật chuyển động thẳng đều từ A đến B với tốc độ 10m/s, AB = 100m. Lập phương trình chuyển động nếu: a. Gốc O trùng A, chiều dương hướng từ A sang B, gốc thời gian t 0 = 0 là lúc vật xuất phát? b. Gốc O trùng B, chiều dương hướng từ A sang B, gốc thời gian t 0 = 0 là lúc vật xuất phát? c. Gốc O trùng A, chiều dương hướng từ B sang A, gốc thời gian t 0 = 0 là lúc vật xuất phát?
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