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Physics, 08.12.2021 14:00 jennifer9983
: Một thang máy chuyển động lên cao với gia tốc không đổi 2 m/s2
. Lúc thang máy có tốc độ 2,4
m/s thì từ trần thang máy có một vật rơi xuống. Trần thang máy cách sàn h = 2,55 m. Lấy g = 10 m/s2
.
Thời gian rơi của vật là
![ansver](/tpl/images/cats/User.png)
Answers: 1
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: Một thang máy chuyển động lên cao với gia tốc không đổi 2 m/s2
. Lúc thang máy có tốc độ 2,4
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