subject

Physics, 20.04.2020 20:14 mariaaalopezz

1) Describe the 4 possible patterns to the expansion to the Universe: re-collapsing, critical, coasting, and accelerating.
2) Explain why our estimate of the current age of the Universe depends on which model is correct.

ansver

Answers: 3

Show answers

Another question on Physics

question

Physics, 22.06.2019 09:30

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential

Answers: 2

question

Physics, 22.06.2019 14:30

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.

Answers: 2

question

Physics, 22.06.2019 14:40

According to valence bond theory, which orbitals overlap in the formation of the bond in hf according to valence bond theory, which orbitals overlap in the formation of the bond in hf 2s on h and 2p on f 1s on h and 2s on f 1s on h and 1p on f 1s on h and 2p on f 1s on h and 3p on f

Answers: 3

question

Physics, 22.06.2019 21:00

Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.

Answers: 1

You know the right answer?

1) Describe the 4 possible patterns to the expansion to the Universe: re-collapsing, critical, coast...

Questions

question

Arts, 27.07.2019 18:10

In contrast with medieval paintings renaissance paintings are less likely to emphasize...

question

Biology, 27.07.2019 18:10

Identify three components of the plasma membrane other than phospholipids...

question

Chemistry, 27.07.2019 18:10

In order for nuclear fusion to occur, the core of the sun must be hot enough to overcome the of the nuclei. select one: a. electromagnetic repulsion...

question

Chemistry, 27.07.2019 18:10

In breckenridge, colorado, the typical atmospheric pressure is 520. torr. what is the boiling point of water (hvap 40.7 kj/mol) in breckenridge?...

question

History, 27.07.2019 18:10

In egyptian art, the convention of representing social importance by size--for example, where the pharaoh is shown much larger than his subjects--is k...

question

Mathematics, 27.07.2019 18:10

The sunrise cafe gets tea bags in boxes of 1,000. if the cafe charges 1.75 answer for each cup of tea, and each cup of tea gets one tea bag, how much...

question

Physics, 27.07.2019 18:10

In order to slide a heavy desk across the floor at constant speed in a straight line, you have to exert a horizontal force of 800 newtons. compare the...

question

Physics, 27.07.2019 18:10

In the bohr model of the hydrogen atom, the speed of the electron is approximately 2.48 × 106 m/s. find the central force acting on the electron as it...

question

Chemistry, 27.07.2019 18:10

Three different particles have the same electron configuration one is a cation of an alkali metal one is an anion of the halide in the third period an...

question

Business, 27.07.2019 18:10

The success of narrowcasting has, in large part, been made possible through the advent of these has created opportunities for advertisers to reach ne...

question

Social Studies, 27.07.2019 18:10

The study of monkeys who developed a fear of a toy snake and toy crocodile, but not a toy rabbit or flower, after watching a videotape of another monk...

question

English, 27.07.2019 18:10

In that moment with mayella, tom is in a no-win situation. explain the "subtlety of tom's predicament."...

question

Business, 27.07.2019 18:10

At the end of the fiscal year, an adjusting entry is made that increases salaries payable and salaries expense. this entry is an application of which...

question

Business, 27.07.2019 18:10

Though clearly capable, mary does not seem very confident of herself. she is always unsure of whether she can handle assignments that are difficult an...

question

Social Studies, 27.07.2019 18:10

Three-fourths of the pictures in adam's 6th grade science textbook that show children engaging in scientific activities are of boys; the remaining on...

question

Business, 27.07.2019 18:10

Thomas has routinely declined invitations to go bar-hopping from kathy, his boss. during his performance review, kathy mentions that even though the q...

question

Business, 27.07.2019 18:10

Through the president obama was able to inject the national economy with $787 billion, reducing unemployment and increasing the gross domestic produc...

question

Mathematics, 27.07.2019 18:10

At the movie theatre, child admission is $6.40 and adult admission is $9.80 . on monday, 154 tickets were sold for a total sales of $1291.60 . how man...

question

Social Studies, 27.07.2019 18:10

Toni has been in a bad mood for two weeks, has no interest in anything, problems with sleep, and difficulty with concentrating. toni also doesn't like...

question

Biology, 27.07.2019 18:10

This type of selection operates if individuals within a population with the smallest and largest body sizes have fewer offspring than those of average...

More questions: Physics Another questions

Questions on the website: 13722359