Physics, 16.06.2021 18:40 ElizabethF
một vật dao động điều hòa có độ lớn vận tốc cực đại là 31.4cm/s. lấy pi=3.14. tốc độ trung bình của vật trong một chu kì dao động
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một vật dao động điều hòa có độ lớn vận tốc cực đại là 31.4cm/s. lấy pi=3.14. tốc độ trung bình của...
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