Un chico se Columbia describiendo un arco de circunferencia. Si alcanza una
altura máxima de 1,1m con respecto a
la posición más baja. Halla la velocidad
al pasar por el punto más próximo al
suelo. No tengas en cuenta la
contribución de la masa de las cadenas
del columpio ni la resistencia del aire.

Which short story from the american romanticnism unit best exemplifies poe's short story requirements

But we pulled at the grill [on the ground] and it gave way. and then we saw iron rings as steps leading down a shaft into a darkness without bottom. … it was a great tunnel. its walls were hard and smooth to the touch; it felt like stone, but it was not stone. on the ground there were long thin tracks of iron, but it was not iron; it felt smooth and cold as glass. we knelt, and we crawled forward, our hand groping along the iron line to see where it would lead. but there was an unbroken night ahead. what is the most likely explanation for the walls described in the bold text?

Take a look at this online dictionary entry. language etymology middle english language, from old french language, from latin lingua ("tongue, speech, language”). noun 1. a form of communication using words either spoken or gestured with hands and structured with grammar, often with a writing system. 2. the ability to communicate using words. 3. nonverbal communication. 4. the vocabulary and usage in a particular field. 5. the words used in speech or a passage of text. 6. spoken or written words. which link would readers of this dictionary entry click if they wanted more information about the historical origins of the word "language”?