Physics, 03.10.2021 16:50, obalzano6817

Một vật có khối lượng 1kg rơi tự do xuống đất trong khoảng thời gian 0,5s. Độ biến thiên động lượng của vật trong khoảng thời gian đó là bao nhiêu? Lấy g = 10m/s2.

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Một vật có khối lượng 1kg rơi tự do xuống đất trong khoảng thời gian 0,5s. Độ biến thiên động lượng...