1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
navik [9.2K]
3 years ago
5

Which of the following is MOST needed for cosmologists to study the age of the universe? A. Energy levels B. Static C. Size D. D

istance traveled
Physics
2 answers:
dedylja [7]3 years ago
6 0
I think the one that is most needed for cosmologist to study the age of the universe is : D. distance travelled
It is used to determine the Hubble constant  today and extrapolating back in time with the observed value of density parameters

Hope this helps


Trava [24]3 years ago
3 0

The last person is wrong, I just took the test and the correct answer was: B.Static

You might be interested in
What is the temperature 32 degrees Fahrenheit in degrees Celsius? A. 0°C B. 20°C C. 10°C D. –10°C
omeli [17]
The answer would 0. The reasoning of this is because freezing point in celsius is always 0 degrees but in fahrenheit the freezing point is 32 degrees.
8 0
3 years ago
James decides to walk home from school today. He lives 3 miles from school and can walk home in 45 minutes. At what rate is Jame
Kaylis [27]
B 1 mile/15 minutes is the right one
3 0
3 years ago
The electroscope is an apparatus used to detect electric charge. The electroscope consists of a plate, a support and a free to r
Marat540 [252]

Answer:

Positive

Explanation:

The leaves will diverge further: The positive charge on the leaves has increased further. This occurs when positive charge is produced on the leaves by the charged object. This is quite possible only when the object is positively charged.

4 0
3 years ago
Edwin Hubble calculated the expansion rate of the universe. On what evidence did he base his calculation?
algol [13]

Edwin Hubble calculated the expansion rate of the universe. The evidence that he base his calculation is the differences in redshift for galaxies. The answer is letter B. the red shift of galaxies was directly proportional to the distance of the galaxy from earth.  It means that bodies farther away from Earth were moving away faster. The Hubble’s constant is the ratio of distance to redshift equal to 170 kilometers per second per light year of distance.

7 0
3 years ago
Read 2 more answers
What is one property that all particles of matter have in common?
Mars2501 [29]
They move c<span>onstantly and are attracted to one another. Describe solids, liquids, and gases in terms of shape and volume. Solids have </span>definite<span> shape and volume.</span>
5 0
3 years ago
Other questions:
  • The human ear canal is, on average, 2.5cm long and aids in hearing by acting like a resonant cavity that is closed on one end an
    15·1 answer
  • Dr. Perez is part of a team of researchers who are working on designing and building a probe to study solar flares. What conditi
    10·2 answers
  • A 2-kilogram object falls 3 meters. a. How much potential energy did the object have before it fell? b. How much work was accomp
    15·1 answer
  • If a resource is non renewable, it ____
    6·1 answer
  • What’s a meandering stream?
    11·2 answers
  • A spy satellite uses a telescope with a 1.7-m-diameter mirror. It orbits the earth at a height of 180 km.
    9·1 answer
  • State a Newtowns second law​
    15·1 answer
  • A 540 kg satellite moves through deep space with a speed of 27 m/s. A booster rocket on the satellite fires for 1.4 s, giving a
    9·2 answers
  • Do you think antiseptic creams and lotions play an important part in our day<br>to day life? ​
    7·2 answers
  • The deflection angle of the laser beam as it exits the prism is 22. 6º. If the prism had been made of glass instead of polystyre
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!