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Flight-time equivalent dose (FED) is an informal unit of measurement of ionizing radiation exposure. Expressed in units of flight-time (i.e., flight-seconds, flight-minutes, flight-hours), one unit of flight-time is approximately equivalent to the radiological dose received during the same unit of time spent in an airliner at cruising altitude.
In May 2024, Fafard ran a personal best of 13:05.07 in the 5000 metres, just shy of the Olympcic standard by 0.07 seconds. [5] In in June 2024, Fafard made his professional debut, finishing second at the Canadian trials in the 5000 metres. [ 6 ]
As of April 11, 2023, the uptime had increased to 26 years, 25 weeks, 1 day, 1 hour, and 8 minutes until the router was later decommissioned and the final report of the uptime was 26 years, 28 weeks, 2 days, and 6 minutes. [7] [8]
The benz, named in honour of Karl Benz, has been proposed as a name for one metre per second. [10] Although it has seen some support as a practical unit, [11] primarily from German sources, [10] it was rejected as the SI unit of velocity [12] and has not seen widespread use or acceptance.
The Mach number (M or Ma), often only Mach, (/ m ɑː k /; German:) is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a boundary to the local speed of sound.
On 13 February 2021, Miller-Uibo broke the NACAC indoor 400 m record with a time of 50.21 seconds, set at the New Balance Indoor Grand Prix in New York. [1] On 4 April, she opened her outdoor season with a world-leading time of 22.03 s, her fastest ever 200 m opener, set at the Pure Athletics Spring Invitational in Clermont, Florida .
He ran 6.45 seconds in the 60 meters, tying the collegiate record, and 20.11 seconds in the 200 meters, just 0.01 seconds off the collegiate record held by Wallace Spearmon. Christian finished his collegiate career by winning the 100 meters dash in 10.04 seconds and the 200 meters in 20.25 seconds at the 2017 NCAA Division I Outdoor Track and ...
The aircraft involved was De Havilland Dash 8-100, serial number 055, registered as ZK-NEY, [2] It entered into service in December 1986, and had accumulated 22,154 flight hours and 24,976 flight cycles. [3] The Dash 8 is a high-wing turboprop aircraft, with the main landing gear located below and retracting into the engine nacelles. As a ...