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Graphite flakes can cost around US$0.9/kg carbon. [20] Price of synthetic industrial diamond for grinding and polishing can range from 1200 to 13 300 USD/kg, while cost per weight of large synthetic diamonds for industrial applications can be on the order of million dollars per kilogram. [21] 7: N: Nitrogen: 0.0012506: 19 (5.263 × 10 17 kg) 0. ...
The light-second is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space in one second, and is equal to exactly 299 792 458 m (approximately 983 571 055 ft or 186 282 mi). Just as the second forms the basis for other units of time, the light-second can ...
10 2: hectosecond hs minutes (1 hs = 1 min 40 s = 100 s) 2 hs (3 min 20 s): The average length of the most popular YouTube videos as of January 2017 [15] 5.55 hs (9 min 12 s): The longest videos in the above study 7.1 hs (11 m 50 s): The time for a human walking at average speed of 1.4 m/s to walk 1 kilometre 10 3: kilosecond ks minutes, hours ...
Also demanded that I reduce her rate because we ran out of complimentary coffee and she couldn't wait the two minutes it would take me to make a new pot. Insulted the housekeepers, too. 0 stars"
A 2024 Peterson-KFF Health System Tracker analysis finds that 15% of U.S. households carried medical debt in 2021 and that roughly 14 million owe more than $1,000 in medical bills. Even scarier, a ...
2 Million Minutes. 2 Million Minutes is a series of documentary films exploring how students in the United States, India, and the People's Republic of China spend the nominal 2,000,000 minutes of their high school years. [1] The film has been supported by Newt Gingrich and Al Sharpton.
The W76-2 is also fitted with the Mk-4A RV and MC4700 fuze. [43] [3] [44] In the National Nuclear Security Administration's 2021 budget request, the agency requested US$53m to begin development of a new W93 warhead for use on Trident II and US$32 million to begin development of a new Mk-7 RV. If approved, the W93 will be the first new nuclear ...
The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second (approximately 300,000 kilometres per second; 186,000 miles per second; 671 million miles per hour).