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Physics, 09.11.2021 21:50 rainbowdashgirl68
một chất điểm chuyển động tròn với vận tốc góc w=at^2 +b trong đó a= 0.01 rad/s^2 b=0.05rad/s. Sau khoảng thời gian t=2 kể từ lúc bắt đầu chuyển động, tìm góc hợp bởi vecto gia tốc toàn phần và vecto vận tốc.
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một chất điểm chuyển động tròn với vận tốc góc w=at^2 +b trong đó a= 0.01 rad/s^2 b=0.05rad/s. Sau k...
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