Physics, 24.06.2021 01:00 Adreanna1018
Một ròng rọc đặt trên mặt nằm ngang , hai vật có khối lượng M và m .Bàn chuyển động thẳng lên với gia tốc A. Tính gia tốc của hệ đối với bàn
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Một ròng rọc đặt trên mặt nằm ngang , hai vật có khối lượng M và m .Bàn chuyển động thẳng lên với gi...
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