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Physics, 04.11.2021 22:00 lzrd3rik

một quả cầu được ném từ đọ cao 45m với vận tốc 20m/s hợp với phương ngang góc 30 độ tính tốc độ trước lúc chạm đất

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một quả cầu được ném từ đọ cao 45m với vận tốc 20m/s hợp với phương ngang góc 30 độ tính tốc độ trướ...

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