The Cosmic Perspective (9th Edition)
9th Edition
ISBN: 9780134874364
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
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Chapter S1, Problem 13EAP
Does It Make Sense?
Decide whether the statement makes sense (or is clearly true) or does not make sense (or is clearly false). Explain clearly; not all of these have definitive answers, so your explanation is more important than your chosen answer. (Hint: For statements that involve coordinates—such as altitude, longitude, or declination—check whether the correct coordinates are used for the situation. For example, it does not make sense to describe a location on Earth by an altitude, because altitude only describes positions of objects in the local sky.)
13. Last night I saw Venus shining brightly on the meridian at midnight.
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(If relevant) A clearly labeled diagram (or diagrams) clearly pertaining to your analysis with a coordinate system and relevant labels.
Final answer with appropriate units and significant figures.
A 2-3 sentence reflection on your answer. Does it make sense? Why or why not? What are some implications? Do not just summarize your solution procedure.
Milestone A: Walk 3.2 km (~2 miles) towards northeast.
Milestone B: Walk 1.3 km towards southeast.
Milestone C: Walk 2.4 km directly south.
Surprise at the end!
You have arrived at the treasure!
Distance: What is the total distance traveled if you walk the distance A, B, C? Give your answer in km and miles.
2. Direction:
a. what is meant by “north east?”
b. what direction would this be on a cartesian coordinate system?
c. What is meant by “south east?”
d. What direction would this be on a cartesian coordinate system?
e. What about “south”?
f. What direction on cartesian coordinate system?
3. Draw the diagram: include drawing the resultant
a. What does the resultant vector represent?
4. Calculate: use trigonometry to find the displacement.
Calculate the angle a person needs to lean from the vertical when
1. walking a 14 m (radius) circular track at 22 mins per mile, and
Enter to 2 significant figures
Angle with respect to the vertical =
= 0.85
! No, that's not the correct answer.
O
2. running at 4 min per mile.
Enter to 2 significant figures
Angle with respect to the vertical = 6.8
Use 1 mile = 1609.4 m
Sense-making: Do your results for the leaning angle during walking agree with your observations
about people walking on circular tracks?
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Chapter S1 Solutions
The Cosmic Perspective (9th Edition)
Ch. S1 - Prob. 1VSCCh. S1 - Use the following questions to check your...Ch. S1 - Use the following questions to check your...Ch. S1 - Use the following questions to check your...Ch. S1 - Use the following questions to check your...Ch. S1 - Prob. 6VSCCh. S1 - Prob. 7VSCCh. S1 - Explain the differences between a (a) sidereal day...Ch. S1 - Prob. 2EAPCh. S1 - Prob. 3EAP
Ch. S1 - Prob. 4EAPCh. S1 - Prob. 5EAPCh. S1 - Prob. 6EAPCh. S1 - What are declination and right ascension? How are...Ch. S1 - 8. How and why do the Sun’s celestial coordinates...Ch. S1 - 9. Suppose you ire at the North Pole. Where is the...Ch. S1 - 10. Describe the Sun’s path through the local sky...Ch. S1 - 11. What is special about the tropics of Cancer...Ch. S1 - 2. Briefly describe how you can use the Sun or...Ch. S1 - Does It Make Sense? Decide whether the statement...Ch. S1 - Does It Make Sense?
Decide whether the statement...Ch. S1 - Does It Make Sense?
Decide whether the statement...Ch. S1 - Does It Make Sense?
Decide whether the statement...Ch. S1 - Does It Make Sense?
Decide whether the statement...Ch. S1 - Does It Make Sense?
Decide whether the statement...Ch. S1 - Does It Make Sense?
Decide whether the statement...Ch. S1 - Does It Make Sense?
Decide whether the statement...Ch. S1 - Does It Make Sense?
Decide whether the statement...Ch. S1 - Does It Make Sense? Decide whether the statement...Ch. S1 - Choose the best answer to each of the following...Ch. S1 - Choose the best answer to each of the following...Ch. S1 - Choose the best answer to each of the following...Ch. S1 - Choose the best answer to each of the following...Ch. S1 - Choose the best answer to each of the following...Ch. S1 - Choose the best answer to each of the following...Ch. S1 - Choose the best answer to each of the following...Ch. S1 - Choose the best answer to each of the following...Ch. S1 - Choose the best answer to each of the following...Ch. S1 - Choose the best answer to each of the following...Ch. S1 - Transits and the Geocentric Universe. Ancient...Ch. S1 - Geometry and Science. As discussed in Mathematical...Ch. S1 - Northern Chauvinism. Why is the writing on maps...Ch. S1 - Group Activity: Find Your Way Home. You and your...Ch. S1 - Opposite Rotation. Suppose Earth rotated in a...Ch. S1 - Prob. 39EAPCh. S1 - The Sun from Mars. Mars has an axis tilt of 25.2°,...Ch. S1 - Fundamentals of Your Local Sky. Answer each of the...Ch. S1 - Prob. 42EAPCh. S1 - Prob. 43EAPCh. S1 - Prob. 44EAPCh. S1 - Prob. 46EAPCh. S1 - Lost at Sea I. During a vacation, you decide to...Ch. S1 - Prob. 48EAPCh. S1 - Prob. 49EAPCh. S1 - Lost at Sea IV. Repeat Problem 47 for this...Ch. S1 - Orbital and Synodic Periods. Use each object’s...Ch. S1 - Prob. 52EAPCh. S1 - HA=LST-RA It is 4 p.m. on the March equinox. What...Ch. S1 - Meridian Crossings of the Moon and Phobos....Ch. S1 - Mercury’s Rotation Period. Mercury’s sidereal day...
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