Physics, 18.10.2021 16:50 2936131

Một vận động viên chạy đà với tốc độ 2,3 m/s và nhảy theo phương ngang xuống vách núi đá thẳng đứng ở biển. Sau 3,0 s vận động viên chạm mặt nước bên dưới. Hỏi:
a) Độ cao của vách đá.
b) Khoảng cách từ chân vách đá đến vị trí vận động viên chạm mặt nước.

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Một vận động viên chạy đà với tốc độ 2,3 m/s và nhảy theo phương ngang xuống vách núi đá thẳng đứn...

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