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 38 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
Wow, this really help

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period
Major moons of Uranus in order of increasing distance (left to right), at their proper relative size Major moons of Uranus in order of increasing distance (left to right), at their proper relative size
Local/long distance cell Signaling Local/long distance cell Signaling
The distance between the centerline of the main bearing journal and the centerline of the ... The distance between the centerline of the main bearing journal and the centerline of the ...
Moon Moon
Great White Shark (Carcharodon carcharias). Great White Shark (Carcharodon carcharias).
Video: X chromosome inactivation in calico cats

For a complete list of videos, visit our video library