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Physics, 10.11.2021 20:10 andyromero

Một vật trượt từ đỉnh mặt phẳng nghiêng xuống chân dốc . Biết rằng gốc giữa mặt phẳng nghiêng và mặt phẳng ngang là 30°. Gia tốc trọng trường g=10m/s. hệ số ma sát giữa vật và mặt phẳng nghiêng là 0.2. gia tốc vật trượt xuống là

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Một vật trượt từ đỉnh mặt phẳng nghiêng xuống chân dốc . Biết rằng gốc giữa mặt phẳng nghiêng và mặt...
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