From Wikipedia, the free encyclopedia. This category contains various subcategories of physicians specialties. For a description of these, see Specialty (medicine). This category has the following 55 subcategories, out of 55 total. âº Medical doctors by specialty and nationalityâ (20 C) âº Anesthesiologistsâ (2 C, 3 P) âº Cardiologistsâ (4 C, 36 P)
A knot is a unit of speed that is equal to to one nautical mile per hour. A nautical mile is based on the circumference of the Earth and is used by sea and air navigators. It is approximately one minute of arc measured along any meridian. The symbol for knot is kn. There are 0.86897583 kn in mph.
Knot is a speed measurement unit. A knot (kn) is a non-SI (non-System International) measurement unit of speed. One knot is a speed of one nautical mile per hour with which to measure how many nautical miles traveled per one hour.OT? 1  1 knot = 1 nautical mile per hour. 2  TT? 1 knot = 51.4444444 centimeters per second.not is a speed measurement unit. A knot (kn) is a non-SI (non-System International) measurement unit of speed. One knot is a speed of one nautical mile per hour with which to measure how many nautical miles traveled per one hour.