: loss of polarization; especially : loss of the difference in charge between the inside and outside of the plasma membrane of a muscle or nerve cell due to a change in permeability and migration of sodium ions to the interior â¦ partial depolarization of the ventricular tissue resulting from rapid conduction of the electrical impulse from the atrium ...
Cruise Speed (Normal)473 knots. Cruise Speed (Normal). Compared to the average Turbofan-powered Narrow-body Commercial Passenger Plane, which cruises at 458 knots (527 mph) to maximize range and can cruise at a maximum speed of 472 knots (543 mph), the Bombardier CRJ700: 1  Maximizes its range at a 11 knot (13 mph) lower speed (a 2.4% margin).
Performance. 1  Maximum speed: Mach 2.04 (â1,354 mph, 2,179 km/h, 1,176 knots) at cruise altitude. 2  Cruise speed: Mach 2.02 (â1,340 mph, 2,158 km/h, 1,164 knots) at cruise altitude. 3  Range: 3,900 nmi (4,488.04 mi, 7,222.8 km) 4  Service ceiling: 60,000 ft (18,300 m) 5  Rate of climb: 10,000 ft/min (50.80 m/s)