Answer:
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The Aztecs maintained their empire by imposing tribute on the territories they had conquered while also enlarging it through military conquest. The new Aztec subjects were required to pay Tenochtitlan tribute every 80 days.
According to mythology, the Aztecs came from a place called Aztlan, which would later become modern-day Mexico. Many academics think that the Mexica—as the Aztecs called themselves—migrated south to central Mexico in the 13th century, but it is unclear where Aztlan was.According to tradition, their patron god Huitzilopochtli gave the Mexica the order to found Tenochtitlan. According to tradition, Huitzilopochtli instructed them to establish their village where a large eagle eating a serpent was perched on a cactus. Tenochtitlan was named after this town in the Mesoamerican region of Anáhuac, which was built on a chain of five interconnected lakes. Tenochtitlan was established about 1325 CE, according to archaeologists.
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Many art historians argue that the Italian Renaissance <span>began in "Florence," since this was where there were many rich merchant families who were able to subsidize and support the artists. </span>
Answer:
Answer:
safe speed for the larger radius track u= √2 v
Explanation:
The sum of the forces on either side is the same, the only difference is the radius of curvature and speed.
Also given that r_1= smaller radius
r_2= larger radius curve
r_2= 2r_1..............i
let u be the speed of larger radius curve
now, \sum F = \frac{mv^2}{r_1} =\frac{mu^2}{r_2}∑F=
r
1
mv
2
=
r
2
mu
2
................ii
form i and ii we can write
v^2= \frac{1}{2} u^2v
2
=
2
1
u
2
⇒u= √2 v
therefore, safe speed for the larger radius track u= √2 v
Casablanca is an exploration of the universal themes of love and sacrifice, but when the film was released in 1942, audiences viewed it as a political allegory about World War II. The film is set in December 1941, the month in which the Japanese attacked Pearl Harbor. That attack changed the course of American history, awakening the nation from political neutrality and thrusting it into the midst of World War II. Casablanca tells the story of a similar, though much smaller, awakening. At the beginning of the film, Rick is a cynical bar owner in the Moroccan city of Casablanca who drinks only by himself and doesn't care about politics. By the end of the film, he has become a self-sacrificing idealist, committed to the anti-Nazi war effort. The event that prompts this change in Rick is the appearance of Ilsa, his old flame, in Casablanca. Ilsa's arrival is unexpected and devastating, and it hits Rick just as hard as the Japanese sneak attack on Pearl Harbor hit America. Once Rick overcomes the initial pain, his moral sense is reignited. He doesn't get to live happily ever after with Ilsa, but he accepts the necessity of his sacrifice and the heartbreak that accompanies it. I
