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Legislation passed by states that barred union-shop agreements?
right to work laws
Why was the code of Hammurabi considered to be a major achievement?
Because the Empire did not have a codified line of laws and Hammurabi did the work.
What least describes the Black Codes?
Black codes were laws passed in the southern united states. These laws limited the rights of African Americans to work, move, and to have general activities.
Why were so many children put to work?
Children in times past went to work at young ages because families depended on every member to bring in a wage to support them. After Child Labor laws were passed in 1938, children were protected from work tasks that endangered their well-being. Later laws limit the age and times during which children may work.
What obstacles were put in the way to prevent African Americans from voting even after the 15th amendment and 100 years thereafter?
Laws like polling taxes, literacy tests, and many other new laws that were enacted after the 15th amendment were meant (in certain areas) to keep African Americans in subjection, and unable to change laws or affect the country. People were jailed for spurious reasons, then hired out from the jails to work land, and of course people were threatened, tortured, and killed.
How did newtons work on orbits add to work Kepler had done?
Newton derived Keplars findings from Newton's Theory of Gravity. Thus, newton 'explained' the basis for Keplars findings and extended them.
Who extended Keplers laws using Physics to explain the motion in the Universe?
Isaac Newton extended Kepler's laws by formulating his law of universal gravitation, which provided a physical explanation for the elliptical orbits of planets. His work, particularly in "Mathematical Principles of Natural Philosophy" (1687), showed that the force of gravity governs the motion of celestial bodies. Newton's laws of motion, combined with his gravitational theory, allowed for a deeper understanding of the dynamics of the universe, linking the motions of planets to fundamental physical principles.
Whose laws of motion keeps planets in their orbit?
Gravity keeps planets in their orbits.Newton's laws of motion and universal gravitation explain how orbits work, but have no influence whatsoeveron causing it to work that way.
What are two things that work together keeping planets in their orbits around the sun?
Gravity and the laws of motion, specifically Newton's laws of motion, work together to keep planets in their orbits around the sun. Gravity from the sun pulls the planets towards it, while the inertia of the planets moving in a straight line causes them to travel in an elliptical orbit around the sun.
What work contributed to the modern understanding of the solar system by determining that the planets moved in elliptical orbits?
That was the work of Kepler, resulting in his Laws of Planetary Motion.
How did keplers work improve on or support Copernicus heliocentric theory?
Kepler completely replaced Copernicus's theory of the orbits of the planets, which was based on circles an epicycles, with a new theory using elliptical orbits. However Kepler retained Copernicus's idea of placing the Sun at the centre.
Did Johannes Kepler discover Kepler planets?
No, Johannes Kepler is best known for describing the laws that dictate how orbits work. The Kepler planets were discovered by the Kepler telescope, a spacecraft named in his honor.
What famous work did Kepler write explaining the way the planets move?
Kepler studied the planets' orbits and published his three laws of planetary motion, in 1609 and 1619. His most famous work was probably the 1609 book called "Astronomia Nova".
What astronomer discovered that the planets orbit the sun in oval shaped patches called ellipses?
The astronomer who discovered that planets orbit the Sun in elliptical paths is Johannes Kepler. His work, particularly the first of his three laws of planetary motion, established that planets move in ellipses with the Sun at one focus. This groundbreaking discovery was published in his work "Astronomia Nova" in 1609. Kepler's laws fundamentally changed our understanding of celestial mechanics.
How many satellites have all planets?
this is a good question.scientists and astronomers should work on this.
What contribution did Brahe and Kepler make to Astronomy?
He made surprisingly accurate positional measurements of the brighter stars in the sky without the aid of a telescope. He did this through an important step in the scientific method...repeating your work. This helped make his measurements as accurate as they were. This information was passed on to one of his assistants, Johannes Kepler, who used the information to develop Keplers Laws of Planetary Motion.
What Austrian scientist developed laws describing the motion on planets?
The Austrian scientist who developed laws describing the motion of planets is Johannes Kepler. Although he was born in what is now Germany, he worked in Austria and formulated the three laws of planetary motion in the early 17th century. These laws describe the elliptical orbits of planets, the relationship between a planet's orbital period and its distance from the Sun, and the areas swept out by a planet as it orbits. Kepler's work laid the foundation for modern astronomy and greatly advanced our understanding of planetary motion.
