Foundations of Astronomy
13th Edition
ISBN: 9781305079151
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Chapter 22, Problem 12P
Deimos is about 13 km in diameter and has a density of 2 g/cm3. Assume Deimos is a sphere. What is its mass? (Note: The volume of a sphere is
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Taking a Hike
A hiker begins a trip by first walking 21.0 km southeast from her car. She stops and sets up her tent for the night. On the second day, she walks 46.0 km in a direction 60.0° north of east, at which point she discovers a forest ranger's tower.
y (km)
Can
N
W-DE
45.0°
60.0°
Tent
Tower
B
x (km)
☹
(a) Determine the components of the hiker's displacement for each day.
SOLUTION
Conceptualize We conceptualize the problem by drawing a sketch as in the figure. If we denote the displacement vectors on the first and second days by A and B, respectively, and use the ---Select-- as the origin of coordinates, we obtain the vectors shown in the figure. The sketch allows us to estimate the resultant vector as shown.
Categorize Drawing the resultant R, we can now categorize this problem as one we've solved before: --Select-- of two vectors. You should now have a hint of the power of categorization in that many new problems are very similar to problems we have already solved if we are…
Chapter 22 Solutions
Foundations of Astronomy
Ch. 22 - Describe four ways Venus is similar to Earth...Ch. 22 - Why might you expect that Venuss surface...Ch. 22 - Describe and explain changes in Venuss surface...Ch. 22 - Describe sources and sinks of CO2, if any, on...Ch. 22 - Does Venuss surface experience meteorite impacts...Ch. 22 - Describe evidence of crustal movement (horizontal...Ch. 22 - Why isnt the crust of Venus broken into mobile...Ch. 22 - Do either Venus or Mars have composite volcanoes?...Ch. 22 - What evidence can you give that Venus once had...Ch. 22 - What evidence shows that Venus has been resurfaced...
Ch. 22 - Describe four ways Mars is similar to Earth today....Ch. 22 - How are todays atmospheres of Venus and Mars...Ch. 22 - Where is the oxygen on Mars today? How do you...Ch. 22 - Why doesnt Mars have folded mountain ranges like...Ch. 22 - Why isnt the crust of Mars broken into mobile...Ch. 22 - What were the canals on Mars eventually found to...Ch. 22 - How can planetary scientists estimate the ages of...Ch. 22 - Propose an explanation for the nearly pure CO2...Ch. 22 - Prob. 19RQCh. 22 - Describe sources and sinks of CO2, if any, on Mars...Ch. 22 - Does Marss surface experience any meteorite...Ch. 22 - Describe evidence of crustal movement (horizontal...Ch. 22 - What surface features on Mars today indicate that...Ch. 22 - Why are Phobos and Deimos non-spherical? Why is...Ch. 22 - How are a weather radar map and an image of a...Ch. 22 - Prob. 1DQCh. 22 - Prob. 2DQCh. 22 - Prob. 3DQCh. 22 - Prob. 4DQCh. 22 - Prob. 5DQCh. 22 - Prob. 6DQCh. 22 - Prob. 7DQCh. 22 - Prob. 8DQCh. 22 - Atmospheric jet streams on Venus travel at about...Ch. 22 - How long would radio signals take to travel from...Ch. 22 - What is the maximum angular diameter of Venus as...Ch. 22 - The Pioneer Venus orbiter circled Venus with a...Ch. 22 - Calculate the velocity of Venus as it orbits the...Ch. 22 - Prob. 6PCh. 22 - If the Magellan spacecraft transmitted radio...Ch. 22 - Prob. 8PCh. 22 - What is the angular size of Phobos observed from...Ch. 22 - Prob. 10PCh. 22 - Prob. 11PCh. 22 - Deimos is about 13 km in diameter and has a...Ch. 22 - Look at Figure 21-1. Compare temperature profiles...Ch. 22 - Look at the map of the Hawaiian chain of islands...Ch. 22 - Look at Figure 21-11. Which molecule(s) can escape...Ch. 22 - Volcano Sif Mons on Venus is shown in this radar...Ch. 22 - Olympus Mons on Mars is an enormous volcano. In...
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