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Physics, 04.10.2021 22:10 lovebunny33921

Một vật được ném từ đỉnh tòa nhà cao 20 m so với mặt đất với vận tốc ban đầu 12 m / s hợp với phương ngang một góc O = 30 ° . Tính khoảng cách từ vị trí vật chạm đất đến chân tòa nhà ( gốc O ) . Lưu ý Sử dụng hệ trục Oxy được chọn như hình 2. Bỏ qua lực cản không khí

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Một vật được ném từ đỉnh tòa nhà cao 20 m so với mặt đất với vận tốc ban đầu 12 m / s hợp với phương...
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