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Physics, 22.07.2021 04:50 SumayahAminaAnsari

một con lắc lò xò thẳng đứng tại nơi có gia tốc g=10m/s lò xo có độ cứng k=50N/m khi vật dao động thì lực kéo cực đại và lực nén cực đại lên giá treo lần lượt là 4N và 2N. vận tốc cực đại là?

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một con lắc lò xò thẳng đứng tại nơi có gia tốc g=10m/s lò xo có độ cứng k=50N/m khi vật dao động th...
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