Physics, 27.10.2021 15:00 shantejahtierr6073
Một vật chuyển động có phương trình chuyển động x = 5 - 12t + 2t2
(x(m), t(s)). Vận tốc của vật
tại thời điểm t = 2,5s là
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Một vật chuyển động có phương trình chuyển động x = 5 - 12t + 2t2
(x(m), t(s)). Vận tốc của vật
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