Final Chapter 10 Homework for ASTR 111

This ASTR 111 assignment is to be submitted on-line at least one hour before class begins.

Place your response for each item in the corresponding text box. You may change your mind as often as you wish. When you are satisfied, click the SUBMIT HOMEWORK button at the bottom of the page.


Name (first and last):


These problems correspond to the following pages in our text: 272-273.

Review and Discussion

All even questions. It is permissible to paraphrase material from the text if it is an appropriate response. Copying word-for-word from the text is an inappropriate response and will not earn credit. Five points possible.


Conceptual T or F,

All even problems (enter T or F for each). You will find the answers for these questions in the back of the book. However, you are expected to understand these questions and the answers - these topics are subject to inclusion on both chapter tests and the final test.


Conceptual Multiple Choice

All even problems (enter a letter for each). You will find the answers for these questions in the back of the book. However, you are expected to understand these questions and the answers - these topics are subject to inclusion on both chapter tests and the final test.


Problems

You must show your work. Partial credit may be awarded. Problems differ slightly from the book. Respond to the question as stated here.

Problem 7. For 2 points.



Problem 8. For 2 points.



Problem 9. For 2 points.
Show that the mass of the Martian atmosphere is 3.33E16 kg (assuming that it is 150 times less than that of Earth, and that the mass of CO_2 in this atmosphere is 3.18E16 kg. Next show that the volume a CO_2 cap that is 3000 km in diameter and 1 meter thick is 7.1E12 m^3, and that its mass is 1.1E16 kg (with a density of 1600 kg/m^3). Finally, show that the ratio of the CO_2 in the Martian atmosphere to that in this polar cap is 2.9.


Below is a space for your thoughts, including general comments about today's assignment (what seemed impossible, what reading didn't make sense, what we should spend class time on, what was "cool", what's happening in your life that you want your instructor to know about, etc.):



When you are satisfied with your responses click this button. If all goes well, you well immediately see a new page with the statement,"Your ...was received...". If you don't see this new page, it is likely that your submission was not successful. In this case, you should use the back button on your browser to return to this page and resubmit. Repeat until you see "Your ... was received..." appear. If this doesn't happen, you should use the back button to return to this page, print this form with your responses, and take the printout to your instructor before class. Alternatively, you may paste your responses into an e-mail and send it to your instructor, JMattox@uncfsu.edu.


Your instructor will bring a printout of your submission to class along with what are considered correct responses. We will then discuss these questions in class to the extent that there is interest.