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Physics, 24.10.2021 23:30 gracepiechowiak
Một chiếc xe đạp đang chạy với vận tốc 54km/h thì xuống dốc, nó chuyển động nhanh dần đều với gia tốc 1m/s2 và đến cuối dốc với vận tốc 72km/h.
a/ Viết pt chuyển động của xe.
b/ Xác định thời gian xe chuyển động trên dốc.
c/ Tìm chiều dài của dốc.
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Một chiếc xe đạp đang chạy với vận tốc 54km/h thì xuống dốc, nó chuyển động nhanh dần đều với gia tố...
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