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Physics, 14.06.2021 04:10 jeremiahhart13
một ngẫu lực có momen không đổi M=10KNm tác dugj lên tang của một trục tời xem là đĩa tròn đồng chất có bán kính R =30cm và có trọng lượng Q=8KN
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một ngẫu lực có momen không đổi M=10KNm tác dugj lên tang của một trục tời xem là đĩa tròn đồng chất...
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