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Physics, 17.10.2021 15:00 evapoliziani
Câu 4: Phương trình chuyển động của một chất điểm trong hệ tọa độ Oxy là x =2t (cm); y = 3t2 (cm). Khoảng cách từ chất điểm đến gốc tọa độ tại thời điểm t = 2s là
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Câu 4: Phương trình chuyển động của một chất điểm trong hệ tọa độ Oxy là x =2t (cm); y = 3t2
(cm)....
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