Lecture- Tutorials for Introductory Astronomy
3rd Edition
ISBN: 9780321820464
Author: Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher: Addison-Wesley
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Chapter 2, Problem 6SPEP
To determine
The absolute magnitude of stars.
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The drawing shows an edge-on view of two planar surfaces that intersect and are mutually perpendicular. Surface (1) has
an area of 1.90 m², while surface (2) has an area of 3.90 m². The electric field in the drawing is uniform and has a
magnitude of 215 N/C. Find the magnitude of the electric flux through surface (1 and 2 combined) if the angle 8 made
between the electric field with surface (2) is 30.0°.
Solve in Nm²/C
1
Ө
Surface 2
Surface 1
PROBLEM 5
What is the magnitude and direction of the resultant
force acting on the connection support shown here?
F₁ = 700 lbs
F2 = 250 lbs
70°
60°
F3 = 700 lbs
45°
F4 = 300 lbs
40°
Fs = 800 lbs
18°
Free Body Diagram
F₁ = 700 lbs
70°
250 lbs
60°
F3=
= 700 lbs
45°
F₁ = 300 lbs
40°
=
Fs 800 lbs
18°
PROBLEM 3
Cables A and B are Supporting a 185-lb wooden crate.
What is the magnitude of the tension force in each
cable?
A
20°
35°
185 lbs
Chapter 2 Solutions
Lecture- Tutorials for Introductory Astronomy
Ch. 2 - Does this planet obey Kepler's second law? How do...Ch. 2 - If you were carefully watching this planet during...Ch. 2 - Draw two lines: one connecting the planet at...Ch. 2 - Pick any two planet positions (C, D, E, F, G, H,...Ch. 2 - How would the time it takes the planet to travel...Ch. 2 - During which of the two time intervals for which...Ch. 2 - During which of the two time intervals for which...Ch. 2 - Does the planet appear to be traveling the same...Ch. 2 - At which position would the planet have been...Ch. 2 - At Position D, is the speed of the planet...
Ch. 2 - Provide a concise statement that describes the...Ch. 2 - Which of the three orbits shown below (A, B, or C)...Ch. 2 - Which of the listed objects would experience the...Ch. 2 - Describe the extent to which you think Earth's...Ch. 2 - Which of the two planets (Esus or Sulis) do you...Ch. 2 - If Esus and Sulis were to switch positions, would...Ch. 2 - Do you think the orbital period for Esus would...Ch. 2 - Imagine both Esus and Sulis were in orbit around...Ch. 2 - According to the graph, would you say that the...Ch. 2 - How far from the central star does a planet orbit...Ch. 2 - How long does it take a planet to complete one...Ch. 2 - Based on your results from Questions 6 and 7,...Ch. 2 - What is the name of the planet that you identified...Ch. 2 - Using the information provided in the table above...Ch. 2 - A student in your class makes the following...Ch. 2 - Review your answers to Questions 1-4. Do you still...Ch. 2 - Given that Earth is much larger and more massive...Ch. 2 - Prob. 2NEPCh. 2 - How would the strength of the force between the...Ch. 2 - On the diagram, clearly label the location where...Ch. 2 - On the diagram, clearly label the location where...Ch. 2 - Where would the spaceprobe experience the...Ch. 2 - When the spacecraft is at the halfway point, how...Ch. 2 - Two students are discussing their answer to the...Ch. 2 - If the spaceprobe had lost all ability to control...Ch. 2 - Imagine that you need to completely stop the...Ch. 2 - Your weight on Earth is simply the gravitational...Ch. 2 - Which value, apparent magnitude, or absolute...Ch. 2 - Prob. 2APPCh. 2 - Prob. 3APPCh. 2 - Prob. 4APPCh. 2 - The star Lee has an apparent magnitude of 0.1 and...Ch. 2 - Prob. 6APPCh. 2 - Prob. 7APPCh. 2 - Imagine that you are looking at the stars from...Ch. 2 - Repeat Question 1 for July and label the distant...Ch. 2 - In the box below, the same distant stars are shown...Ch. 2 - In the same box, draw another × to indicate the...Ch. 2 - Prob. 5THPCh. 2 - Prob. 6THPCh. 2 - Starting from Earth in January, draw a line...Ch. 2 - Prob. 8THPCh. 2 - Prob. 9THPCh. 2 - Is a parsec a unit of length or a unit of angle?...Ch. 2 - Prob. 11THPCh. 2 - Prob. 12THPCh. 2 - Prob. 13THPCh. 2 - Check your answers to Questions 6 and 11 and...Ch. 2 - What is the angle between you, the house, and the...Ch. 2 - You see the Moon on the horizon just above the...Ch. 2 - Compare your answers for the barn-house angle from...Ch. 2 - Do the angles from above tell you anything about...Ch. 2 - Prob. 5PAPCh. 2 - Prob. 6PAPCh. 2 - Prob. 7PAPCh. 2 - Prob. 8PAPCh. 2 - Prob. 9PAPCh. 2 - Prob. 10PAPCh. 2 - Prob. 11PAPCh. 2 - Prob. 12PAPCh. 2 - Prob. 13PAPCh. 2 - Which object will look brighter from Earth, the...Ch. 2 - Prob. 2SPEPCh. 2 - Star B has an apparent magnitude of 0, which tells...Ch. 2 - Prob. 4SPEPCh. 2 - Prob. 5SPEPCh. 2 - Prob. 6SPEPCh. 2 - Prob. 7SPEP
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