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On 16 May 2023, a Chinese fishing boat sank in the Indian Ocean, killing 16 people and leaving 23 missing. The boat, the Lu Peng Yuan Yu 028 (Chinese: 鲁蓬远渔028 [2]), was operating in the central Indian Ocean, about 1,000 kilometers (620 miles) south of Sri Lanka. The boat was carrying a crew of 17 Chinese nationals, 17 Indonesian ...
"High school physics textbooks" (PDF). Reports on high school physics. American Institute of Physics; Zitzewitz, Paul W. (2005). Physics: principles and problems. New York: Glencoe/McGraw-Hill. ISBN 978-0078458132
It is an art because of the skill that the navigator must have to avoid the dangers of navigation, and it is a science because it is based on physical, mathematical, oceanographic, cartographic, astronomical, and other knowledge. Marine navigation can be surface or submarine.
Physics – branch of science that studies matter [9] and its motion through space and time, along with related concepts such as energy and force. [10] Physics is one of the "fundamental sciences" because the other natural sciences (like biology, geology etc.) deal with systems that seem to obey the laws of physics. According to physics, the ...
In other words, for an object floating on a liquid surface (like a boat) or floating submerged in a fluid (like a submarine in water or dirigible in air) the weight of the displaced liquid equals the weight of the object. Thus, only in the special case of floating does the buoyant force acting on an object equal the objects weight.
In the European medieval period, navigation was considered part of the set of seven mechanical arts, none of which were used for long voyages across open ocean. Polynesian navigation is probably the earliest form of open-ocean navigation; it was based on memory and observation recorded on scientific instruments like the Marshall Islands Stick Charts of Ocean Swells.
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This is a list of common physical constants and variables, and their notations. Note that bold text indicates that the quantity is a vector. ... (10^-28 m^2) surface ...