وحدة قياس السرعه. عقدة (وحدة)

Wilson, Alastair 22 July 2009	The knot is defined as one nautical mile per hour
There is no internationally agreed symbol, but the symbol kn is commonly used	Weights and Measures Standards of the United States, A brief history

ما هي العجلة ؟ وما هي وحدة قياس العجلة ؟

السرعة الزاوية: Since the 1890s or thereabouts, it has been drummed into the young seaman that a knot is a unit of speed, namely, one nautical mile per hour; and that consequently only the uneducated speak of "knots per hour" or "knots an hour"
ما هي وحدة قياس السرعة
وحدات قياس سرعة الإنترنت : تقاس السرعة بوحدة : ماهي السرعه : قياس النت