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.
A 200-lb. person will burn 120 calories with a leisurely bike ride, but traveling between 12 and 14 mph will burn 264 calories in 20 minutes. A 240-lb. person will burn 144 calories in 20 minutes, while more vigorous biking will burn 317 calories.