Fundamental Kinematics Definitions
Key Concepts in Kinematics
- The variation of the position vector of a particle that it experiences in a time interval is called displacement.
- The displacement vector is independent of the trajectory that the particle follows in its motion.
- The distance traveled by a particle is greater than or equal to the magnitude of the displacement vector experienced by the particle when moving from one position to another.
- The distance traveled by a particle is equal to the magnitude of the displacement vector,
Key Economic Concepts and Chinese Vocabulary
Economics Fundamentals
Production and Growth
Productivity
Refers to the amount of goods and services produced for each hour of a worker’s time.Rule of 70
A rule stating that if a variable grows at a rate of x percent per year, that variable will double in approximately 70/x years. For example, a growth rate of 7% would see income per person doubling in 10 years (70 divided by 7), compared to 54 years for a 1.3% growth (70 divided by 1.3 is approximately 53.8).Factors of Production
- Physical Capital
- Human
Medieval Narrative Verse Forms
Medieval Narrative Verse
The Epic
The medieval epic unfolded between the 12th and 14th centuries, linked to the minstrel, a popular character. Epic poems sought to spread two important aspects of the time:
- The spirit of chivalry and feudal ideals at the time of the first emerging nations.
- The story of the extraordinary exploits of a hero who represents the ideals of the people, whose identity is aimed at consolidating.
Features
Epic poems were anonymous and composed to be recited with music and performance.
Read MoreClass 10 English: A Letter to God & Hundred Dresses Q&A
Why Postmaster Sent Money to Lencho?
The postmaster sent money to Lencho to help him during his distress. Hailstones had totally destroyed his corn, and his family would go hungry that year. Lencho had written a letter to God asking for a hundred pesos. To preserve Lencho’s faith in God, the postmaster collected seventy pesos, sent them to Lencho, and signed the letter ‘God’.
Lencho’s View on Missing Money & Irony
Lencho thinks the remaining money was taken by the post office employees. The irony
Read MoreSocial Classes of the Industrial Age
Social Structure in the Industrial Era
In the industrial era, society saw the consolidation of the petty bourgeoisie and the emergence of a working class. However, the peasants remained the largest group.
The Spreading of the Middle Classes
In the late 19th century, the economic and social development of most industrialized countries led to the appearance of a large middle class or petite bourgeoisie. Their economic and educational levels were higher than those of the lower classes, but lower than
Read MoreElements and Features of Administrative Acts
Administrative Act: Elements & Features
Constituent Elements
The Will
The Will is the manifestation of the administrative body’s intent to issue an administrative act affecting the rights, obligations, or interests of the administration or individuals in connection with the administration.
Stages of Intent Declaration
The declaration of intent involves three stages:
Determination Phase
This is an internal decision by the public official to issue an administrative act. It operates automatically based
Crafting a Job Interest Letter
Letter of Interest for a Job
A letter of interest, also known as a letter of inquiry or a prospecting letter, is sent to companies that may be hiring but haven’t listed a specific job opening to apply for. A letter of interest is a great way to get your foot in the door with a company you are interested in.
How to Write a Job Interest Letter
A letter of interest is often more appropriate when making yourself known to a company that hasn’t posted a specific opening to which you’d like to apply.
Learn
The French Revolution and the Church
The French Revolution, a major social upheaval that marked the transition from the eighteenth to the nineteenth century, stands as one of history’s most significant events. While Europe experienced profound change, American countries gained independence, and history became increasingly universal. The concept of the state shifted from a hereditary dynasty to one based on the country and its people, defined by its constitution, whether republican or monarchical.
Events in France
Political, economic,
Read MoreMedieval Spanish Literary Forms
Epic Poetry
Medieval epic poetry is constituted by so-called epic poems.
Examples
French Epic
- Chanson de Roland: Based on the historical figure of the knight Roland from Charlemagne’s court.
Spanish Epic
- Cantar de Mio Cid: The only preserved Castilian epic. Based on the last years of Rodrigo Díaz de Vivar, El Cid, a knight at the courts of Sancho IV and Alfonso VI of Castile and León. Attributed to Per Abbat.
Structure of Cantar de Mio Cid
The poem is structured in three parts:
- Song of Exile: Narrates
Types of Industrial Paint Coatings
Epoxy-Asphalt/Coal Tar Paint
Consisting of a mixture of epoxy and asphalt or coal tar, these paints offer excellent water resistance and good adhesion to steel and cement. They maintain adhesion over a long period of exposure and have excellent chemical resistance to acids, alkalis, and salts. They have the ability to achieve high film build in a few layers. However, they have limited resistance to weathering and are only available in dark colors.
Commonly used on steel and cement surfaces where good
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