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thả cho trụ rỗng lăn xuống dưới, biết khối lượng của trụ là 10 kg, bán kính trụ bằng 100 cm. Dây không giãn và không có khối lượng. Lấy g=10m/s^2. Tìm độ lớn lực căng dây
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Feb 18, 2024
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thả cho trụ rỗng lăn xuống dưới, biết khối lượng của trụ là 10 kg, bán kính trụ bằng 100 cm. Dây không giãn và không có khối lượng. Lấy g=10m/s^2. Tìm độ lớn lực căng dây
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Gavin Coates
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Answer:
40kg
Explanation:
Rubia Gardini
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Feb 25, 2024
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Rubia Gardini
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