7.5. Show that in a spatially-flat matter-dominated cosmology the density parameter evolves as (1+z)³ 1-No+(1+z)³no (2) = No7

Q: What are the wavelength and propagation speed for a wave of frequency 6.771 MHz in copper? copper…

A: Given data- Frequency, F=6.771 MHz=6.771×106 HzResistivity, ρ=1.68×10-8 Ω-mHere, Conductivity σ of…

Q: Which of the following wave functions represents a solution to the Schrödinger equation for an…

A:

Q: #2 pls and Thankyou.

A: Mass of the first block on the ramp is m1 = 5 kg Mass of the second block which is hanging is m2 = 4…

Q: A ball is thrown horizontally from the top of a building with an initial velocity of 15 meters per…

A: The solution can be given as follows :-

Q: Consider the configuration shown. Then answer the following questions The potential difference…

A: Capacitors connected in Parallel: When the capacitors are connected in parallel, then the same…

Q: 4. Two identical small charged spheres are a certain distance apart, and each one initially…

A: Part (4) Given: The initial electrostatic force between charges is F. The charges leakage half with…

Q: A sphere of radius R₁ = 0.320 m and uniform charge density 37.5 μC/m lies at the center of a…

A: The uniform charge density is

Q: Which of the following statements about the hydrogen atom ground state is INCORRECT The wavefunction…

A: Hydrogen is the first element in the periodic table with atomic number 1. The number of protons in a…

Q: A solid insulating sphere has total charge Q and radius R. The sphere's charge is distributed…

A: Given information: An insulating sphere is uniformly charged with a charge Q The radius of the…

Q: 2 - From the plot determine the following (2a) The amplitude (2b) The periodic time (2c) The angular…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: What happens when the book stops moving?

A: The friction is classified into many types. A book moving across the desk is an example of sliding…

Q: What is the magnification of the plane/flat mirror? А. +1.0 В. +0.1 С.- 1.0 D. – 0.1 Е. О

A:

Q: Assume the velocity of the object is O when t = 0. For what other value of t is the velocity of the…

A:

Q: Overhead view of the path of race car and wall collision is shown below. Just before the collision,…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: A 0.160-A current is charging a capacitor that has circular plates 14.2 cm in radius. The plate…

A:

Q: 1. Which of these animals has the greatest inertia? a. deer b. horse c. elephants d. mouse

A: "Since all questions are different as per bartleby guidelines we can author only first one please…

Q: The symbol for momentum is

A: Momentum is a physical quantity denoted by p.

Q: If you were standing on a weighing scale in an elevator and the cable broke so that the elevator…

A: Weighing scale gives reading of Normal reaction force applied by weighing machine on object .

Q: In the figure a uniform electric field is directed out of the page within a circular region of…

A: Given: Radius of circular region is R=3 cm The uniform electric field is directed out of page and…

Q: You are designing a new solenoid and experimenting with material for each turn. The particular turn…

A:

Q: Why is the stage of change depicted as a spiral staircase?

A:

Q: A table tennis ball has a mass of about 2.45 g. Suppose the ball is hit across the table with a…

A:

Q: You are attracted to the Earth as much as the Earth is attracted to you. True or False

A: Yes we attracts Earth as Earth attract us. We are attracted to Earth by Gravitational force of…