Physics, 02.10.2021 20:20, pulpfree8057

Một Đồng Hồ có kim giờ dài 3cm và kim phút dài 4cm xem như chuyển động tròn đều . Xác định tỉ số tốc độ dài giữa một điểm trên đầu kim giờ với một điểm trên đầu kim phút

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Một Đồng Hồ có kim giờ dài 3cm và kim phút dài 4cm xem như chuyển động tròn đều . Xác định tỉ số tốc...