Resistivity and conductivity are reciprocals : . Resistivity is a measure of the material's ability to oppose electric current. This formula is not exact: It assumes the current density is totally uniform in the conductor, which is not always true in practical situations.
All depends on how fast they pedal and what kind of a bike they're on. When I ride with my family ... about 10 mph When I ride solo on my road bike ... about 17 mph In todaâ¦y's stage of the Tour de France, the average rider was expected to (during the last 26 km) average about 80kmh, or 49+ mph. Depends on how you categorize riding.
The 3 types of speed. Acceleration â How fast a bike will reach a certain road speed. Top speed â The maximum speed that a bike can get to. Almost a meaningless measure, as almost all bikes will be able to exceed the speed limit. Cornering speed â How fast a bike will go around a corner. What does 250cc mean motorcycle lesson in terminology. In the most basic sense, 250cc means that there are 250 cubic centimeters in the engine chamber for fuel and air to mix.