This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the Great Wall? A) It is a ridge on the Moon near the crater Birt. B) It is the distance ... (Read 40 times)

nmorano1

  • Hero Member
  • *****
  • Posts: 598
on: Jul 27, 2018
What is the Great Wall?
 
  A) It is a ridge on the Moon near the crater Birt.
  B) It is the distance beyond which astronomers cannot view any more galaxies or even quasars.
  C) It is a large sheet of galaxies.
  D) It is the time before the universe started expanding, about which we can never know anything.
  E) It is an enormous intergalactic cloud of dust and gas that hides more distant galaxies.

Question 2

Suppose you kick a soccer ball straight up to a height of 10 meters. Which of the following is true about the gravitational potential energy of the ball during its flight?
 
  A) The ball's gravitational potential energy is greatest at the instant it returns to hit the ground.
  B) The ball's gravitational potential energy is greatest at the instant when the ball is at its highest point.
  C) The ball's gravitational potential energy is always the same.
  D) The ball's gravitational potential energy is greatest at the instant the ball leaves your foot.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Toya9913

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


nmorano1

  • Member
  • Posts: 598
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

The Phases of the Moon The Phases of the Moon
A Microscopic Lunar Crater A Microscopic Lunar Crater
Planets, Earth and Moon Planets, Earth and Moon
Reconstruction Drawing Of The Hypostyle Hall, Great Temple Of Amun At Karnak Reconstruction Drawing Of The Hypostyle Hall, Great Temple Of Amun At Karnak
Moon Moon
A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ... A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ...
Video: Phlebotomy

For a complete list of videos, visit our video library