A)Why was the geocentric model of the solar system accepted by scientists for many years? Select the two correct answers.(1 point) Responses Observations with telescopes confirmed the predictions made using the model. Observations with telescopes confirmed the predictions made using the model. The model accurately predicted the movements of the planets. The model accurately predicted the movements of the planets. Suitable technology was not available to disprove the model. Suitable technology was not available to disprove the model. The model described the solar system correctly. The model described the solar system correctly. Question 2 A)Drag and drop the words into the correct locations.(2 points) Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse. The Copernican model of the solar system was a Response area model in which Earth Response area. Planets Response area, and the stars Response area. Question 3 A)Which statements about geocentric model and heliocentric model are true? Select the two correct answers.(1 point) Responses They both are models of the solar system. They both are models of the solar system. They both show the position of Earth relative to the Sun. They both show the position of Earth relative to the Sun. They both show Earth at the center of the solar system. They both show Earth at the center of the solar system. They both show the Sun at the center of the solar system. They both show the Sun at the center of the solar system. Question 4 A)Which statement describes the area swept out by a line between a planet and the sun at equal times as the planet moves along its orbit?(1 point) Responses It decreases as the planet moves closer to the sun. It decreases as the planet moves closer to the sun. It increases as the planet moves closer to the sun. It increases as the planet moves closer to the sun. It changes shape but always remains constant. It changes shape but always remains constant. It is proportional to the distance between the sun and the planet. It is proportional to the distance between the sun and the planet. Question 5 A)Where is the sun located on Earth’s elliptical orbit?(1 point) Responses at a focus at a focus at the aphelium at the aphelium at the perihelium at the perihelium at the center of the two foci at the center of the two foci Question 6 A)How does Kepler’s third law compare the periods and orbital radii of two planets within a solar system?(1 point) Responses The square of the ratio of the periods equals the ratio of the radii. The square of the ratio of the periods equals the ratio of the radii. The square of the ratio of the periods equals the cube of the ratio of the radii. The square of the ratio of the periods equals the cube of the ratio of the radii. The ratio of the periods equals the square of the ratio of the radii. The ratio of the periods equals the square of the ratio of the radii. The cube of the ratio of the periods equals the square of the ratio of the radii. The cube of the ratio of the periods equals the square of the ratio of the radii. Question 7 A)Which of the following is the best definition of Newton's theory of universal gravitation?(1 point) Responses Every object is attracted to the Earth with a force that increases with increasing mass and distance. Every object is attracted to the Earth with a force that increases with increasing mass and distance. Every object attracts every other object in the universe, with a force that increases as the objects' masses decrease and the distance between them increases. Every object attracts every other object in the universe, with a force that increases as the objects' masses decrease and the distance between them increases. Every object is pulled downward with a force that increases as the height from which an object is dropped increases. Every object is pulled downward with a force that increases as the height from which an object is dropped increases. Every object attracts every other object in the universe, with a force that increases as the objects' masses increase and the distance between them decreases. Every object attracts every other object in the universe, with a force that increases as the objects' masses increase and the distance between them decreases. Question 8 A)For a planet orbiting the sun, rp is the distance from the sun to the perihelion and ra is the distance from the sun to the aphelion. What is a planet’s orbital eccentricity if rp is equal to 0.45ra ?(1 point) Responses 2.64 2.64 0.38 0.38 1.45 1.45 0.55 0.55 Question 9 A)Which statement summarizes Kepler's First Law of Planetary Motion?(1 point) Responses Planets revolve around the sun in elliptical orbits. Planets revolve around the sun in elliptical orbits. Planets move fastest while Earth is at perihelion. Planets move fastest while Earth is at perihelion. Planets closest to the sun move faster in their orbits than those farther away. Planets closest to the sun move faster in their orbits than those farther away. Planets in the solar system revolve around the sun. Planets in the solar system revolve around the sun. Question 10 A)Which of these can happen to objects in the solar system that do not have the momentum to maintain a stable orbit around the sun? Select the two correct answers.(1 point) Responses They can follow erratic orbits that take on different shapes. They can follow erratic orbits that take on different shapes. They can fall into circular orbits. They can fall into circular orbits. They can swing around the sun and be ejected outward into space. They can swing around the sun and be ejected outward into space. They can spiral into the sun. They can spiral into the sun. Question 11 A)A satellite orbiting Earth at an orbital radius r has a velocity v. Which represents the velocity if the satellite is moved to an orbital radius of 4r?(1 point) Responses 14v 1 fourth v 4v 4 v 12v 1 half v 2v 2 v
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A)Why was the geocentric model of the solar system accepted by scientists for many years? Select the two correct answers.(1 point) Responses Observations with telescopes confirmed the predictions made using the model. Observations with telescopes confirmed the predictions made using the model. The model accurately predicted the movements of the planets. The model accurately predicted the movements of the planets. Suitable technology was not available to disprove the model. Suitable technology was not available to disprove the model. The model described the solar system correctly. The model described the solar system correctly.
Question 2 A)Drag and drop the words into the correct locations.(2 points) Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse. The Copernican model of the solar system was a Response area model in which Earth Response area. Planets Response area, and the stars Response area.
Question 3 A)Which statements about geocentric model and heliocentric model are true? Select the two correct answers.(1 point) Responses They both are models of the solar system. They both are models of the solar system. They both show the position of Earth relative to the Sun. They both show the position of Earth relative to the Sun. They both show Earth at the center of the solar system. They both show Earth at the center of the solar system. They both show the Sun at the center of the solar system. They both show the Sun at the center of the solar system.
Question 4 A)Which statement describes the area swept out by a line between a planet and the sun at equal times as the planet moves along its orbit?(1 point) Responses It decreases as the planet moves closer to the sun. It decreases as the planet moves closer to the sun. It increases as the planet moves closer to the sun. It increases as the planet moves closer to the sun. It changes shape but always remains constant. It changes shape but always remains constant. It is proportional to the distance between the sun and the planet. It is proportional to the distance between the sun and the planet.
Question 5 A)Where is the sun located on Earth’s elliptical orbit?(1 point) Responses at a focus at a focus at the aphelium at the aphelium at the perihelium at the perihelium at the center of the two foci at the center of the two foci
Question 6 A)How does Kepler’s third law compare the periods and orbital radii of two planets within a solar system?(1 point) Responses The square of the ratio of the periods equals the ratio of the radii. The square of the ratio of the periods equals the ratio of the radii. The square of the ratio of the periods equals the cube of the ratio of the radii. The square of the ratio of the periods equals the cube of the ratio of the radii. The ratio of the periods equals the square of the ratio of the radii. The ratio of the periods equals the square of the ratio of the radii. The cube of the ratio of the periods equals the square of the ratio of the radii. The cube of the ratio of the periods equals the square of the ratio of the radii.
Question 7 A)Which of the following is the best definition of Newton's theory of universal gravitation?(1 point) Responses Every object is attracted to the Earth with a force that increases with increasing mass and distance. Every object is attracted to the Earth with a force that increases with increasing mass and distance. Every object attracts every other object in the universe, with a force that increases as the objects' masses decrease and the distance between them increases. Every object attracts every other object in the universe, with a force that increases as the objects' masses decrease and the distance between them increases. Every object is pulled downward with a force that increases as the height from which an object is dropped increases. Every object is pulled downward with a force that increases as the height from which an object is dropped increases. Every object attracts every other object in the universe, with a force that increases as the objects' masses increase and the distance between them decreases. Every object attracts every other object in the universe, with a force that increases as the objects' masses increase and the distance between them decreases.
Question 8 A)For a planet orbiting the sun, rp is the distance from the sun to the perihelion and ra is the distance from the sun to the aphelion. What is a planet’s orbital eccentricity if rp is equal to 0.45ra ?(1 point) Responses 2.64 2.64 0.38 0.38 1.45 1.45 0.55 0.55
Question 9 A)Which statement summarizes Kepler's First Law of Planetary Motion?(1 point) Responses Planets revolve around the sun in elliptical orbits. Planets revolve around the sun in elliptical orbits. Planets move fastest while Earth is at perihelion. Planets move fastest while Earth is at perihelion. Planets closest to the sun move faster in their orbits than those farther away. Planets closest to the sun move faster in their orbits than those farther away. Planets in the solar system revolve around the sun. Planets in the solar system revolve around the sun.
Question 10 A)Which of these can happen to objects in the solar system that do not have the momentum to maintain a stable orbit around the sun? Select the two correct answers.(1 point) Responses They can follow erratic orbits that take on different shapes. They can follow erratic orbits that take on different shapes. They can fall into circular orbits. They can fall into circular orbits. They can swing around the sun and be ejected outward into space. They can swing around the sun and be ejected outward into space. They can spiral into the sun. They can spiral into the sun.
Question 11 A)A satellite orbiting Earth at an orbital radius r has a velocity v. Which represents the velocity if the satellite is moved to an orbital radius of 4r?(1 point) Responses 14v 1 fourth v 4v 4 v 12v 1 half v 2v 2 v
1) The geocentric model of the solar system was accepted by scientists for many years because:
- Observations with telescopes confirmed the predictions made using the model.
- Suitable technology was not available to disprove the model.
2) The Copernican model of the solar system was a model in which Earth orbits the Sun. Planets orbit the Sun, and the stars are far away.
3) The statements about the geocentric model and heliocentric model that are true are:
- They both are models of the solar system.
- They both show Earth at the center of the solar system.
4) The statement that describes the area swept out by a line between a planet and the sun at equal times as the planet moves along its orbit is: It is proportional to the distance between the sun and the planet.
5) The sun is located at a focus on Earth's elliptical orbit.
6) Kepler's third law states that the square of the ratio of the periods of two planets equals the cube of the ratio of their orbital radii.
7) The best definition of Newton's theory of universal gravitation is that every object attracts every other object in the universe, with a force that increases as the objects' masses increase and the distance between them decreases.
8) If the distance from the sun to the perihelion is equal to 0.45 times the distance from the sun to the aphelion (rp = 0.45ra), then the planet's orbital eccentricity is 0.55.
9) Kepler's First Law of Planetary Motion is that planets revolve around the sun in elliptical orbits.
10) Objects in the solar system that do not have the momentum to maintain a stable orbit around the sun can follow erratic orbits that take on different shapes and can swing around the sun and be ejected outward into space.
11) If a satellite is moved to an orbital radius of 4r, its velocity will be 1 fourth v.
Which of these can happen to objects in the solar system that do not have the momentum to maintain a stable orbit around the sun? Select the two correct answers.(1 point) Responses They can spiral into the sun. They can spiral into the sun. They can swing around the sun and be ejected outward into space. They can swing around the sun and be ejected outward into space. They can follow erratic orbits that take on different shapes. They can follow erratic orbits that take on different shapes. They can fall into circular orbits. They can fall into circular orbits.
The two correct answers are:
- They can swing around the sun and be ejected outward into space.
- They can follow erratic orbits that take on different shapes.