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To do this, they redefined the metre as "the length of the path traveled by light in vacuum during a time interval of 1/ 299 792 458 of a second". [94] As a result of this definition, the value of the speed of light in vacuum is exactly 299 792 458 m/s [164] [165] and has become a defined constant in the SI system of units. [14]
≡ 1 cm/s 2 = 10 −2 m/s 2: inch per minute per second: ipm/s ≡ 1 in/(min⋅s) = 4.2 3 × 10 −4 m/s 2: inch per second squared: ips 2: ≡ 1 in/s 2 = 2.54 × 10 −2 m/s 2: knot per second: kn/s ≡ 1 kn/s ≈ 5.1 4 × 10 −1 m/s 2: metre per second squared (SI unit) m/s 2: ≡ 1 m/s 2 = 1 m/s 2: mile per hour per second: mph/s ≡ 1 mi ...
In radar-related subjects and in JTIDS, a data mile is a unit of distance equal to 6,000 feet (1,829 metres; 0.9875 nautical miles; 1.136 miles). An international mile is 0.88 data mile. The speed of light is 299,792,458 metres per second (983,571,056 ft/s), or about one foot per nanosecond .
Murphy clocked 16.4 seconds for the first quarter-mile, 33.6 for the half, 49.2 for the three-quarters and the mile in 1:08. Fullerton was embarrassed that his locomotive failed to get to 60 mph. Its weight made the wooden track sink and rise and Murphy was forced to ride a wave.
The target range is determined by measuring elapsed time while the pulse travels to and returns from the target. Because two-way travel is involved, a total time of 12.35 microseconds per nautical mile will elapse between the start of the pulse from the antenna and its return to the antenna from a target in a range of 1 nautical mile.
Quarter-mile or 1 ⁄ 4 mile may refer to: A dragstrip competition or vehicle test in motorsport, where cars or motorcycles compete for the shortest time from a standing start to the end of a straight 1 ⁄ 4 mile (0.40 km) track; The 440-yard dash, a sprint footrace in track and field competition on a 440 yards (1,320 ft; 400 m; 0.25 mi) oval
Cubic mile of oil; Unit of: Energy: Symbol: CMO: Conversions 1 CMO in ..... is equal to ... SI base units 1.6 × 10 20 kg·m 2 /s 2 SI units 1.6 × 10 20 joule CGS units 1.6 × 10 27 erg kilowatt hours 4.454 × 10 13 kWh British thermal units 1.519 × 10 17 BTU tonnes of LWR fuel at maximum permitted burnup
Its symbol is written in several forms as m/s 2, m·s −2 or ms −2, , or less commonly, as (m/s)/s. [ 1 ] As acceleration, the unit is interpreted physically as change in velocity or speed per time interval, i.e. metre per second per second and is treated as a vector quantity.