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Physics, 22.08.2021 06:20 krystalhurst97

Một chất điểm có khối lượng 200g được ném lên từ điểm O trên mặt đất với vận tốc 15m/s theo phương hợp với phương ngang góc 30 độ. Mômen động lượng của chất điểm đối với điểm O sau 1s kể từ khi ném có giá trị? (Bỏ qua sức cản không khí)

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Một chất điểm có khối lượng 200g được ném lên từ điểm O trên mặt đất với vận tốc 15m/s theo phương h...
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