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Machmeter. A Machmeter is an aircraft pitot-static system flight instrument that shows the ratio of the true airspeed to the speed of sound, a dimensionless quantity called Mach number. This is shown on a Machmeter as a decimal fraction. An aircraft flying at the speed of sound is flying at a Mach number of one, expressed as Mach 1.
The Mach number is named after the physicist and philosopher Ernst Mach [3] according to a proposal by the aeronautical engineer Jakob Ackeret in 1929. [4] The word Mach is always capitalized since it derives from a proper name, and since the Mach number is a dimensionless quantity rather than a unit of measure, the number comes after the word Mach; the second Mach number is Mach 2 instead of ...
ARO 10/11. ARO 10 was an off-road vehicle produced by ARO and manufactured in Romania. It shares auto-parts with Dacia 1300, from engine to front axle, and was inspired by the Renault Rodeo and Citroën Méhari. [1] The ARO 24 Series got a "little brother" in 1980, the ARO 10 Series. While the ARO-24 can be classified as mid-size SUVs, the ARO ...
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The current models with a 40 kWh battery reach 120 km/h and have a claimed range of 158 km (WLTP), with 7.7 cubic meters (270 cubic feet) cargo volume and a load of 1,220-1,252 kg. [ 19 ] [ 21 ] According to the current (2020) price list, the chassis cab model costs 43,350 EUR and the box truck model costs 47,650 EUR (excl. VAT).
Supersonic speed is the speed of an object that exceeds the speed of sound (Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) at sea level, this speed is approximately 343.2 m/s (1,126 ft/s; 768 mph; 667.1 kn; 1,236 km/h). Speeds greater than five times the speed of sound (Mach 5) are often referred to as hypersonic.
DisplayPort cables up to 2 meters in length are required to support the full 10.8 Gbit/s bandwidth. [8] DisplayPort 1.1 allows devices to implement alternative link layers such as fiber optic , allowing a much longer reach between source and display without signal degradation, [ 9 ] although alternative implementations are not standardized.
5.4 × 10 83 Qs (1.7 × 10 106 years): The approximate lifespan of a supermassive black hole with a mass of 20 trillion solar masses [21] 10 10 10 76.66 {\displaystyle 10^{10^{10^{76.66}}}} Qs: The scale of an estimated Poincaré recurrence time for the quantum state of a hypothetical box containing an isolated black hole of stellar mass [ 22 ...