nv742841 nv742841

13-09-2021
Physics

contestada

Một vật nặng rơi từ độ cao 20m xuống đất. Tính thời gian rơi và vận tốc của vật khi chạm đất. Lấy g = 10 m/s²

Respuesta :

iamnghi2903 iamnghi2903

21-09-2021

Answer:

t=2s

Explanation:

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