
Physical Science
10th Edition
ISBN: 9780073513898
Author: Bill Tillery
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 15, Problem 19QFT
If a comet is an icy, dusty body, explain why it appears bright in the night sky.
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Two chloride ions and two sodium ions are in water, the "effective charge" on the chloride ions (CI¯) is −2.00 × 10-21 C
and that of the sodium ions (Na+) is +2.00 x 10-21 C. (The effective charge is a way to account for the partial shielding due
to nearby water molecules.) Assume that all four ions are coplanar.
CT
Na+
Na+
30.0°
45.0%
с
сг
L.
where a = 0.300 nm, b = 0.710 nm, and c = 0.620 nm.
What is the direction of electric force on the chloride ion in the lower right-hand corner in the diagram? Enter the angle in degrees
where positive indicates above the negative x-axis and negative indicates below the positive x-axis.
A pendulum has a 0.4-m-long cord and is given a tangential velocity of 0.2 m/s toward the
vertical from a position 0 = 0.3 rad.
Part A
Determine the equation which describes the angular motion.
Express your answer in terms of the variable t. Express coefficients in radians to three significant figures.
ΜΕ ΑΣΦ
vec
(t)=0.3 cos (4.95t) + 0.101 sin (4.95t)
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Part A
■Review
The uniform 150-lb stone (rectangular block) is being turned over on its side by pulling the
vertical cable slowly upward until the stone begins to tip.
(Figure 1)
If it then falls freely (T = 0) from an essentially balanced at-rest position, determine the speed at which the corner A strikes the pad at B. The stone does not slip at its corner C as it falls. Suppose that height of the stone is
L = 1.2 ft.
Express your answer to three significant figures and include the appropriate units.
?
ft
VA 10.76
S
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Chapter 15 Solutions
Physical Science
Ch. 15 -
1. The mass of the Sun is how much larger than...Ch. 15 -
2. The distance from Earth to the Sun is called a...Ch. 15 -
3. What type of planets are Mercury, Venus,...Ch. 15 -
4. Which of the following is most likely found on...Ch. 15 -
5. What is the outermost...Ch. 15 -
6. The planet that was named after the mythical...Ch. 15 -
7. A day on which planet is longer than a year on...Ch. 15 -
8. The day on which planet is about the same time...Ch. 15 -
9. Mars has distinct surface feature-related...Ch. 15 -
10. How many moons orbit...
Ch. 15 -
11. What is the largest planet in our solar...Ch. 15 -
12. Callisto, Europa, Ganymede, and Io...Ch. 15 -
13. The density of Jupiter is
a. 50 percent...Ch. 15 -
14. The only moon in the solar system with a...Ch. 15 -
15. Saturn’s rings are thought to be
a. composed...Ch. 15 -
16. The planet with the lowest average density,...Ch. 15 -
17. The planet that is not a giant...Ch. 15 -
18. What planets are considered...Ch. 15 -
19. Area of the solar system where long-period...Ch. 15 -
20. Short-period comets have orbital periods...Ch. 15 -
21. Remnants of comets and asteroids found in...Ch. 15 -
22. Meteorites are classified into all of the...Ch. 15 -
23. The most widely accepted theory on the origin...Ch. 15 -
24. The belt of asteroids between Mars and...Ch. 15 -
25. Which of the following planets would be...Ch. 15 -
26. Which of the following planets probably still...Ch. 15 -
27. Venus appears the brightest when it is in...Ch. 15 -
28. The small body with a composition and...Ch. 15 -
29. A small body from space that falls on the...Ch. 15 -
30. Planets in our solar system are classified...Ch. 15 -
31. What separates the terrestrial planets from...Ch. 15 -
32. The planet that has the shortest “year” among...Ch. 15 -
33. What planet is called the morning star and...Ch. 15 -
34. Venus “shines” because it is
a. composed of...Ch. 15 -
35. On Venus, the sun rises in the west. This is...Ch. 15 -
36. The “sister” planet to Earth...Ch. 15 -
37. What feature on Mars was considered by some...Ch. 15 -
38. Jupiter radiates twice as much energy as it...Ch. 15 -
39. The Great Red Spot is thought to be
a. a...Ch. 15 -
40. The metallic hydrogen that surrounds the core...Ch. 15 -
41. A shooting star is a...Ch. 15 -
1. Describe the protoplanet nebular model of the...Ch. 15 -
2. What are the basic differences between the...Ch. 15 -
3. Describe the surface and atmospheric...Ch. 15 -
4. What evidence exists that Mars at one time had...Ch. 15 -
5. Describe the internal structure of Jupiter and...Ch. 15 -
6. What are the rings of Saturn?
Ch. 15 -
7. Describe some of the unusual features found on...Ch. 15 -
8. What are the similarities and the differences...Ch. 15 -
9. Give one idea about why the Great Red Spot...Ch. 15 -
10. What is so unusual about the motions and...Ch. 15 -
11. What evidence exists today that the number of...Ch. 15 -
12. Using the properties of the planets other...Ch. 15 -
13. What are “shooting stars”? Where do they come...Ch. 15 -
14. What is an asteroid? What evidence indicates...Ch. 15 -
15. Where do comets come from? Why are...Ch. 15 -
16. What is a meteor? What is the most likely...Ch. 15 -
17. What is a meteorite? What is the most likely...Ch. 15 -
18. Technically speaking, what is wrong with...Ch. 15 - 19. If a comet is an icy, dusty body, explain why...Ch. 15 -
1. What are the significant similarities and...Ch. 15 - 2. Draw a sketch showing the positions of Earth,...Ch. 15 -
3. Evaluate the statement that Venus is Earth's...Ch. 15 -
4. Describe the possibility and probability of...Ch. 15 -
5. Provide arguments that Pluto should be...Ch. 15 - 6. Describe and analyze why it would be important...Ch. 15 -
1. Based on the density and diameter in km...Ch. 15 - 2. Based on the density and diameter in km...Ch. 15 -
3. A scale model of the solar system is being...Ch. 15 - 4. A scale model of the solar system is being...Ch. 15 -
5. An elementary school class is building a scale...Ch. 15 -
6. A class is building scale models of the...Ch. 15 - 7. Assume that Mercury receives its peak solar...Ch. 15 -
8. A 1 cm thick piece of lead with a surface area...Ch. 15 -
9. Assume an astronaut at a space station on Mars...Ch. 15 - 10. What is the mass of the Sun, in kilograms,...Ch. 15 -
11. What is the mass of the Sun, in kilograms,...Ch. 15 -
12. Based on Kepler’s third law, what is the...Ch. 15 -
13. Based on Kepler’s third law, what is the...Ch. 15 - 14. Assuming a circular orbit, what is the orbital...Ch. 15 -
15. Assuming a circular orbit, what is the...
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- Consider the circuit shown in the figure. The battery has emf ε = 69 volts and negligible internal resistance. The inductance is L = 0.4 H and the resistances are R 1 = 12 Ω and R 2 = 9.0 Ω. Initially the switch S is open and no currents flow. Then the switch is closed. After leaving the switch closed for a very long time, it is opened again. Just after it is opened, what is the current in R 1?arrow_forwardA capacitor with a capacitance of C = 5.95×10−5 F is charged by connecting it to a 12.5 −V battery. The capacitor is then disconnected from the battery and connected across an inductor with an inductance of L = 1.55 H . At the time 2.35×10−2 s after the connection to the inductor is made, what is the current in the inductor? At that time, how much electrical energy is stored in the inductor?arrow_forwardCan someone help me with this question. Thanks.arrow_forward
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