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Which of Kepler's Laws governs how a particular planet speeds up and slows down? 0 A...
Planetary Speed help: According to Kepler’s Third Law, planets closer to the sun have shorter years. We might ask the question, “Is this because they move faster, or because they don’t have as far to go?” Let’s investigate. Speed is distance divided by time, so if we know how far a planet travels and how long it takes, we can calculate speed. Look up the period and orbital distance (in years and AU, respectively) of Mercury, Venus and Earth. Assuming...
ASTRONOMY 4. Suppose we make a scale model of the Solar System in which the model Earth is 1 centimeter in radius (about the size of a piece of candy). The real Earth is 6.4x10"cm in radius. Jupiter is 7.1x10°cm in radius. How big must the scale model version of Jupiter be in order to be the right size relative to the Earth? 5. Kepler's Third Law of planetary motion relates the time, P, i takes a planet to complete...
could you please solve a and b? Chapier 2i. Note: you needn't derive Kepler's laws-but do mention when you are using them, an describe the physical concepts involved and the meanings behind the variables. u) Consider two stars Mi and M; bound together by their mutual gravitational force (and isolated from other forces) moving in elliptical orbits (of eccentricity e and semi-major axes ai and az) at distances 11 in n and r from their center of mass located at...
Question 28 1 pts The greatest inaccuracy in Copernicus' model of the solar system was that the planets O traveled on epicycles whose centers followed orbits around the Earth O travel in circular orbits with uniform motion. traveled in elliptical orbits. O were allowed to travel backwards in their orbits Question 29 1 pts Kepler's third law can be expressed mathematically as: O P-A P3-A2 О p2.A3 Question 30 1 pts Johannes Kepler obtained accurate data on the positions of...
8. Consider how the heavy elements that make up planets like the earth are formed. Which of the following is most likely to be true about the origin of Earth? Earth arose around a very ancient star (our sun) that had had plenty of time to synthesize heavy elements. Earth arose in a region of our galaxy where few earlier stars formed so that the hydrogen fuel for our sun was abundant. Earth arose in a region that was very...
4. Use Kepler's Second Law and the fact that L-fxp to determine at which points in an elliptical orbit around the Sun a planet has maximum and minimum speeds. (Section 13.5 will help.) 5. At the end of example 13.10, there's an "Evaluate" blurb about how inside the surface of the Earth the force of gravity varies proportionally to the distance from the center, and it makes reference to the next chapter. which is about oscillation. Model the motion of...
5. NASA decides to send a spacecraft to Neptune by the simple Hohmann transfer de- scribed in Example 8.6 of the text book. The spacecraft starts in a circular orbit near the Earth and must end up in a circular orbit near Neptune at 30 times greater dis- tance from the Sun. Using Kepler's 3rd law, show that the transfer will take about 31 years to complete. What thrust factor =V/v is required to start the spacecraft on its journey?...