UNIVERSE (LOOSELEAF):STARS+GALAXIES
6th Edition
ISBN: 9781319115043
Author: Freedman
Publisher: MAC HIGHER
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 25, Problem 46Q
To determine
The form of energy that is the dominant contributor to the total energy in the universe today and whether this form of energy is always dominant.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
The law of conservation of energy states that energy can be converted from one form to another but cannot be created or destroyed. Therefore, the amount of energy in the universe is constant.
In your initial post to the discussion, respond to the following prompts:
What do you think would happen if energy were not conserved?
Think of (and share) two scenarios in which our lives would be drastically altered if this law of conservation was not in place. At least one of your scenarios should be at the molecular level.
Would the implications be positive? Negative? Explain.
Hello. I need help solving ( 9 & 10) with explanations, it goes with the diagram above. Please and thank you.
A 4.0 kg kg block of ice with a temperature of
-10°C°C is placed on a large stone slab with a
temperature of +10°C°C. The stone slab is so
large that its temperature does not change.
The ice and the slab are isolated from the
rest of the universe. 1)What is ASice as the
system comes to equilibrium? 2)What is
ASstone as the system comes to equilibrium?
3)What is AStot as the system comes to
equilibrium?
please solve the question, numbers and
units.
answer to the first question is 5800
Chapter 25 Solutions
UNIVERSE (LOOSELEAF):STARS+GALAXIES
Ch. 25 - Prob. 1QCh. 25 - Prob. 2QCh. 25 - Prob. 3QCh. 25 - Prob. 4QCh. 25 - Prob. 5QCh. 25 - Prob. 6QCh. 25 - Prob. 7QCh. 25 - Prob. 8QCh. 25 - Prob. 9QCh. 25 - Prob. 10Q
Ch. 25 - Prob. 11QCh. 25 - Prob. 12QCh. 25 - Prob. 13QCh. 25 - Prob. 14QCh. 25 - Prob. 15QCh. 25 - Prob. 16QCh. 25 - Prob. 17QCh. 25 - Prob. 18QCh. 25 - Prob. 19QCh. 25 - Prob. 20QCh. 25 - Prob. 21QCh. 25 - Prob. 22QCh. 25 - Prob. 23QCh. 25 - Prob. 24QCh. 25 - Prob. 25QCh. 25 - Prob. 26QCh. 25 - Prob. 27QCh. 25 - Prob. 28QCh. 25 - Prob. 29QCh. 25 - Prob. 30QCh. 25 - Prob. 31QCh. 25 - Prob. 32QCh. 25 - Prob. 33QCh. 25 - Prob. 34QCh. 25 - Prob. 35QCh. 25 - Prob. 36QCh. 25 - Prob. 37QCh. 25 - Prob. 38QCh. 25 - Prob. 39QCh. 25 - Prob. 40QCh. 25 - Prob. 41QCh. 25 - Prob. 42QCh. 25 - Prob. 43QCh. 25 - Prob. 44QCh. 25 - Prob. 45QCh. 25 - Prob. 46QCh. 25 - Prob. 47QCh. 25 - Prob. 48QCh. 25 - Prob. 49QCh. 25 - Prob. 50QCh. 25 - Prob. 51QCh. 25 - Prob. 52QCh. 25 - Prob. 53QCh. 25 - Prob. 54QCh. 25 - Prob. 55Q
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Humanity's Energy Needs: Humankind's total annual energy need is approximately 4 x 10^20 J. a) What is this in Watts? b) The solar energy reaching the Earth is ~340 W/m^2. If we could collect 100% of the energy hitting 1/20th (5%) of the Earth's surface, and Earth's surface is 5x10^14 m^2, show that we could collect enough energy to meet all of humankind's annual energy needs in less than 12 hours. c) Alternatively, if we wanted to provide all of humankind's energy needs with wind power, how many 100 MW wind farms are needed? (Assume constant average energy use and no efficiency losses.)arrow_forwardHello. Please answer with a complete and correct solution. Take note of the i-hat, j-hat, and k-hat. Thank you!arrow_forwardSuppose the Jackson family use the following appliances on a typical day in October: Plasma TV (uses 250 watts per hour), used for 6 hours Microwave oven (uses 900 watts per hour), used for 30 minutes Refrigerator (uses 600 watts per hour), used for 24 hours Freezer (uses 400 watts per hour), used for 24 hours Determine how many kilowatts is used by these 4 appliances in a 31-day month. Round your final answer to the nearest tenth.arrow_forward
- Consider two Einstein solids in thermal contact. Solid A contains 5 atoms while solid B has 2 atoms. If the system has a total energy of 10ϵ10ϵ, what is the total number of microstates available to the 6:4 macropartition?The total number of microstates available to the 6:4 macropartition is Choose one a) 126,502,423 b) 308,411 C) 5,784,693 D) 4,883, 760 E) 3,141,592arrow_forwardThe Pioneer 10 spacecraft has left our Solar System and is traveling at a speed of 45,000 km/h (andhas been doing so for years). Explain why this object is moving so fast although it ran out of fuel longago.arrow_forwardWind farms in Washington have a capacity of 3075 Megawatts (mega means million remember so this is 3075000000 watts). This means if they were all operating at the same time this is how many Joules per second they would produce. a) Assume all wind farms in Washington are operating at capacity. How much energy in Kwh is produced in one hour? b) Now it is not windy all the time, so suppose only 60% of the wind farms are operating. How much energy is produced in a 7 day week by these wind farms c) An average home uses about 250 KWh for a 7 day week. How many homes can be operated by the wind farms in part barrow_forward
- A speck of carbon dust may contain as many as 30 billion atoms of carbon, each atom having a mass of 2.00 x 10-23 grams. Suppose the mass of all the atoms in a speck of carbon dust were converted entirely to energy and applied to the kinetic energy of a baseball. How fast would the baseball be moving? (Mass of baseball = 0.145 kg. ) (1 gram = 1 x 103kg) (KE = ½ mv2) (1 billion = 1 x 109)arrow_forwardsummarize this :arrow_forwardSuppose a star 1000 times brighter than our Sun (that is, emitting 1000 times the power) suddenly goes supernova. Using data from Table: (a) By what factor does its power output increase? (b) How many times brighter than our entire Milky Way galaxy is the supernova? (c) Based on your answers, discuss whether it should be possible to observe supernovas in distant galaxies. Note that there are on the order of 1011 observable galaxies, the average brightness of which is somewhat less than our own galaxy.arrow_forward
- Since 1995, hundreds of extrasolar planets have been discovered. There is the exciting possibility that there is life on one or more of these planets. To support life similar to that on the Earth, the planet must have liquid water. For an Earth-like planet orbiting a star like the Sun, this requirement means that the planet must be within a habitable zone of 0.9 AU to 1.4 AU from the star. The semimajor axis of an extrasolar planet is inferred from its period. What range in periods corresponds to the habitable zone for an Earth-like Planet orbiting a Sun-like star?arrow_forwardOn Dec 5, 2022, scientific history was made at the Lawrence Livermore National Laboratory (LLNL) in Livermore, California when nuclear fusion was achieved when the 192 lasers deposited about 2 Megajoules (MJ) of energy into a frozen pea sized deuterium-tritium pellet and ignited the pellet through nuclear fusion to release 3 MJ of energy. The metric prefix mega means million (10^6). a) How much mass (kg) would be required to release 1 MJ of energy?arrow_forwardComplete and neat solution please. I would like to learnarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
AstronomyPhysicsISBN:9781938168284Author:Andrew Fraknoi; David Morrison; Sidney C. WolffPublisher:OpenStax
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Astronomy
Physics
ISBN:9781938168284
Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher:OpenStax
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
General Relativity: The Curvature of Spacetime; Author: Professor Dave Explains;https://www.youtube.com/watch?v=R7V3koyL7Mc;License: Standard YouTube License, CC-BY