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Ah, the 'w' with a line over it is a symbol used in physics to represent work done. It's a way to show how much energy is transferred when a force acts on an object and moves it a certain distance. Just like painting a happy little tree, understanding this symbol can help you appreciate the beauty of how energy and forces interact in the world around us.
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Judy
LaoThe line over the letter a is there to assist with the translation of a foreign, archaic, or unfamiliar word. Depending on the context it can mean (at least) two separate pronunciations.
1.) In older English texts, Latin words, or most western words in general the line over the a indicates that it is a long vowel. That means the 'a' is meant to be pronounced like in day or pay. This is the product of older versions of phonetic spelling.
2.) If the word in question is of Sanskrit origin (a word originating in and around India for example) the letter a is to be pronounced like in the word father. A good example of this is the word nirvana, which in some older texts would be printed with lines above both of the 'a's. This is a product of the International Alphabet of Sanskrit Transliteration (IAST), which is a system for rendering Sanskrit words in the English alphabet.
There may probably be more language specific answers to your question, but I hope the above two rules help you through the most common occurrences of the letter a with a line over it.
I make no claims at being any kind of linguist, but those are the answers I found after asking myself the same question some time back.
Cheers,
Casey from Texas
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What does an over-line bar over a variable mean in physics?
It could represent a vector.
What is the symbol for without?
You can use w/o. In medical shorthand without is a s with a line over it and with is a c with a line over it
What is a mean high tide line?
The mean high tide line is the average location of the high tide over a specific period of time. It is used to demarcate the boundary between private and public property along coastal shorelines.
What are the eastern and western lines of longitude for Michigan?
The eastern line of longitude for Michigan is approximately 82.4°W, and the western line of longitude is approximately 90.42°W.
If you followed the 70 W line of longitude north to the North Pole and then continued on the same line south what line of longitude would you be on?
If you followed the 70 W line of longitude north to the North Pole and then continued south, you would eventually end up on the 110 E line of longitude.
