
Concept explainers
To explain:
The expansion of the universe accelerating, casting or decelerating at point A.

Answer to Problem 1VSC
Solution:
At the point A, the expansion of the universe is accelerating.
Explanation of Solution
Introduction:
The expansion of the universe happens with the change in the time. The distance between two points increases. This is due to the expansion of space-time. The scale of space-time fabric itself changes. This expansion is given by four models namely, re-collapsing universe, critical universe, coasting universe, and accelerating universe as shown in the figure.
Point A is a time in future. At point A, the expansion of the universe is accelerating. The two distant points in the universe would be moving farther apart. The scale of the space-time fabric was expanding. The galaxies would be moving apart more rapidly. The gravitational force would not be strong enough to decelerate or stop expansion.
Conclusion:
Point A represents the accelerated expansion of universe in future.
Want to see more full solutions like this?
Chapter 23 Solutions
The Cosmic Perspective (8th Edition)
- please solve everything in detailarrow_forward6). What is the magnitude of the potential difference across the 20-02 resistor? 10 Ω 11 V - -Imm 20 Ω 10 Ω 5.00 10 Ω a. 3.2 V b. 7.8 V C. 11 V d. 5.0 V e. 8.6 Varrow_forward2). How much energy is stored in the 50-μF capacitor when Va - V₁ = 22V? 25 µF b 25 µF 50 µFarrow_forward
- 9). A series RC circuit has a time constant of 1.0 s. The battery has a voltage of 50 V and the maximum current just after closing the switch is 500 mA. The capacitor is initially uncharged. What is the charge on the capacitor 2.0 s after the switch is closed? R 50 V a. 0.43 C b. 0 66 C c. 0.86 C d. 0.99 C Carrow_forward1). Determine the equivalent capacitance of the combination shown when C = 12 pF. +11/20 2C C Carrow_forward3). When a capacitor has a charge of magnitude 80 μC on each plate the potential difference across the plates is 16 V. How much energy is stored in this capacitor when the potential difference across its plates is 42 V? a. 1.0 mJ b. 4.4 mJ c. 3.2 mJ d. 1.4 mJ e. 1.7 mJarrow_forward
- 5). A conductor of radius r, length & and resistivity p has resistance R. It is melted down and formed into a new conductor, also cylindrical, with one fourth the length of the original conductor. The resistance of the new conductor is a. 1 R 161 b. 1 R C. R d. 4R e. 16Rarrow_forward8). Determine the magnitude and sense (direction) of the current in the 10-Q2 resistor when I = 1.8 A. 30 V L 50 V 10 Ω 20 Ω a. 1.6 A right to left b. 1.6 A left to right C. 1.2 A right to left d. 1.2 A left to right e. 1.8 A left to right R PGarrow_forward7). Determine the current in the 10-V emf. 5.0 0 w 10 V 5.0 0 15 V 5.0 Ω a. 2.3 A b. 2.7 A c. 1.3 A d. 0.30 A e. 2.5 Aarrow_forward
- 4). What is the resistance of a wire made of a material with a resistivity of 3.2 is 2.5 m and its diameter is 0.50 mm? a. 0.16 Ω b. 0.10 2 C. c. 1.28 Ω d. 0.41 2 e. 0.81 2 108 m if its lengtharrow_forwardA flat circular coil with 135 turns, a radius of 2.28 x 10-2 m, and a resistance of 0.618 is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate of AB/At = 0.615 T/s, thereby inducing a current in the coil. Find the magnitude of the magnetic field at the center of the coil that is produced by the induced current. Numberarrow_forwardplease solve the question attachedarrow_forward
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON





