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Purdue University *

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105

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Physics

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Dec 6, 2023

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5

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Asynchronous Quiz 18 1 2 Your work has been saved and submitted Written Nov 4, 2023 9:57 PM - Nov 4, 2023 10:12 PM Attempt 1 of 1 Attempt Score 10 / 10 - 100 % Overall Grade (Highest Attempt) 10 / 10 - 100 % Question 1 1 / 1 point Quiz 18: Unit 9. Part 4. Question 1. Watch the Unit 9 Part 4 lecture video Your quiz has been submitted successfully.
and answer the following question: What is unique about Neptune's Moon Triton? Question 2 1 / 1 point Quiz 18: Unit 9. Part 4. Question 2. Watch the Unit 9 Part 4 lecture video and answer the following question: What is unique about Pluto's moon Charon? Question 3 1 / 1 point Quiz 18: Unit 9. Part 4. Question 3. Watch the Unit 9 Part 4 lecture video and answer the following question: Why do we suspect an impact origin for Haumea's two moons? a. It is the most volcanically active moon in the Solar System. b. It is the largest moon in the Solar System. c. It is the only large moon in the Solar System to have been captured. d. It is the only body besides Earth to have liquid on its surface. a. Charon is the only moon to have tidally locked its planet. b. Charon is the only non-captured moon with a polar orbit (passes over Pluto's poles instead of its equator). c. Charon is the only non-captured moon with a retrograde orbit. d. Charon is bigger than Mercury. a. Haumea has a rocky mantle and an anomalously thin icy shell, suggesting much of it was blasted off by an impact. b. The moons are almost pure ice (also unusual for Kuiper Belt objects), fitting in with an origin from Haumea's icy shell. c. Haumea is spinning very fast, the reason it is so elongated, which
Question 4 1 / 1 point Quiz 18: Unit 9. Part 4. Question 4. Watch the Unit 9 Part 4 lecture video and answer the following question: Why is the Moon moving away from Earth? Question 5 1 / 1 point Quiz 18: Unit 9. Part 4. Question 5. Watch the Unit 9 Part 4 lecture video and answer the following question: Why is Phobos moving toward Mars? Question 6 1 / 1 point Quiz 18: Unit 9. Part 5. Question 6. Watch the Unit 9 Part 5 lecture video and answer the following question: What is the Roche limit? is consistent with an oblique collision. d. All the above a. The Moon is outside the Roche limit. b. The Moon is being pulled away by Jupiter's gravity. c. Earth's slow rotation compared to the Moon's orbit causes the tidal bulge to lag behind the direction to the Moon. d. Earth's fast rotation compared to the Moon's orbit causes the tidal bulge to move ahead of the direction to the Moon. a. Phobos is inside the Roche limit. b. Phobos is pushed by a resonance with Jupiter. c. Mars' slow rotation compared to Phobos' orbit causes the tidal bulge to lag behind the direction to Phobos. d. Mar's fast rotation compared to Phobos' orbit causes the tidal bulge to move ahead of the direction to Phobos. a. The distance from a planet where tidal forces that work to deform
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Question 7 1 / 1 point Quiz 18: Unit 9. Part 5. Question 7. Watch the Unit 9 Part 5 lecture video and answer the following question: Why do shepherd moons like Saturn's Atlas and Pan have fissures and elongated equators? Question 8 1 / 1 point Quiz 18: Unit 9. Part 5. Question 8. Watch the Unit 9 Part 5 lecture video and answer the following question: Which planet has rings? Question 9 1 / 1 point a moon are equal to the moon's own gravitational forces that work to keep it spherical. b. The diameter of a moon required for its gravity to be strong enough to pull it into a spherical shape. c. The distance beyond which a ring will form around a planet due to tidal forces. d. The distance a moon can be from a planet without it drifting out of orbit. a. Because they spin very fast. b. Because tidal forces are trying to pull them apart. c. From collisions with ring particles. d. From electrostatic repulsion a. Jupiter b. Uranus c. Neptune d. All the above
Quiz 18: Unit 9. Part 5. Question 9. Watch the Unit 9 Part 5 lecture video and answer the following question: How do we know there are rings around small asteroids like Chariklo and Chiron and the dwarf planets Haumea? Question 10 1 / 1 point Quiz 18: Unit 9. Part 5. Question 10. Watch the Unit 9 Part 5 lecture video and answer the following question: What happens when Neptune's moon Triton migrates inside Neptune's Roche limit? Done a. From space-based telescopes. b. From cameras on passing spacecraft. c. From the manner in which starlight dims as these bodies passes in front of them (called occultation). d. Based on calculations of mass and moment of inertia of these objects. a. It will be forced into a higher orbit by tidal forces b. It will be crash into the planet c. It will be pulled apart and form a ring d. It will become tidally locked