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Physics, 16.08.2021 04:50 emilypzamora11

Một con lắc lò xo có khối lượng vật nặng treo vào là 100g và lò xo có độ cứng 200N/m. Kéo quả cầu lệch khỏi VTCB 10cm rồi buông nhẹ cho dao động. Động năng của quả cầu khi có thế năng bằng 3 lần động năng là:

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Một con lắc lò xo có khối lượng vật nặng treo vào là 100g và lò xo có độ cứng 200N/m. Kéo quả cầu lệ...
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