Foundations of Astronomy (MindTap Course List)
14th Edition
ISBN: 9781337399920
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Chapter 11, Problem 5LTL
To determine
Spot out the star formation pillars in figure 11-5 and the location where it points to.
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The displacement vectors A and B shown in the figure below both have magnitudes of 3.10 m. The direction of vector A is e = 23.0°.
(a) Find A + B graphically.
magnitude
m
direction
° counterclockwise from the +x axis
(b) Find A
graphically.
magnitude
direction
° counterclockwise from the +x axis
(c) Find B - A graphically.
magnitude
direction
counterclockwise from the +x axis
(d) Find A
- 2B
graphically.
magnitude
m
direction
o counterclockwise from the +x axis
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For each problem, use the following values:
c = 3x108 m/s
mass of the sun = 1.989 x 1030 kg
luminosity of the sun = 3.828 x 1026 W
1 AU = 1.496 x 1011 m
1 pc = 3.262 light years = 3.086 x 1016 m
1 year=3.154x107 seconds
Critical density of our Universe (expressed as a mass density): Pcrit =8.7 x 10-27 kg m-³
Critical energy density of our Universe: Ecrit = Pcrit c²
G=6.674 × 10-11 m³.kg-1.s-2
1 eV = 1.60218 x10-19.
Boltzmann constant: kg = 1.381 x 10-23 JK-18.617 × 10-5eV K-1
energy density constant (in Stefan Boltzmann Law): a = 7.566 x 10-16 Jm-3 K-4 -4.7 x 10-³ MeV m-3 K-4
Constant in Wein displacement law: b = 2.898 x 10-3 m K
baryon-to-photon ratio, n = 6 x 10-10
What is an isochromat?
Chapter 11 Solutions
Foundations of Astronomy (MindTap Course List)
Ch. 11 - Prob. 1RQCh. 11 - Prob. 2RQCh. 11 - Prob. 3RQCh. 11 - Prob. 4RQCh. 11 - During free-fall collapse, what keeps the...Ch. 11 - Prob. 6RQCh. 11 - Prob. 7RQCh. 11 - Prob. 8RQCh. 11 - Prob. 9RQCh. 11 - Prob. 10RQ
Ch. 11 - Prob. 11RQCh. 11 - Prob. 12RQCh. 11 - Prob. 13RQCh. 11 - Describe the three ways thermal energy can be...Ch. 11 - Prob. 15RQCh. 11 - Prob. 16RQCh. 11 - How does the CNO cycle differ from the...Ch. 11 - Prob. 18RQCh. 11 - Prob. 19RQCh. 11 - Prob. 20RQCh. 11 - Prob. 21RQCh. 11 - Prob. 22RQCh. 11 - Prob. 23RQCh. 11 - Prob. 24RQCh. 11 - Prob. 1PCh. 11 - Prob. 2PCh. 11 - Prob. 3PCh. 11 - Prob. 4PCh. 11 - If a protostellar disk is 200 AU in radius and the...Ch. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10PCh. 11 - Prob. 11PCh. 11 - Prob. 12PCh. 11 - If the Orion Nebula is 8 pc in diameter and has a...Ch. 11 - Prob. 14PCh. 11 - Prob. 1SOPCh. 11 - Prob. 2SOPCh. 11 - Prob. 1LTLCh. 11 - Prob. 2LTLCh. 11 - Prob. 3LTLCh. 11 - Prob. 4LTLCh. 11 - Prob. 5LTLCh. 11 - Prob. 6LTL
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