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Physics, 22.07.2021 09:10 macp98463oz47dl

Một khối có khối lượng m trượt trên mặt phẳng nằm ngang bỏ qua ma sát. Vị trí tọa độ x là khoảng cách từ vị
trí không biến dạng của lò xo có độ cứng k. nếu khối bắt
đầu chuyển động tại x = 0 với vận tốc ban đầu vo sang
phải, xác định:

(1) gia tốc của khối là hàm của x

(2) vận tốc của khối là hàm của x

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Một khối có khối lượng m trượt trên mặt phẳng nằm ngang bỏ qua ma sát. Vị trí tọa độ x là khoảng cá...
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