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 50 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
Great answer, keep it coming :)

mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Cushing syndrome. This syndrome includes the symptoms of obesity, moon face, hyperglycemia, and musc Cushing syndrome. This syndrome includes the symptoms of obesity, moon face, hyperglycemia, and musc
The Phases of the Moon The Phases of the Moon
A Microscopic Lunar Crater A Microscopic Lunar Crater
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
Eye wall Eye wall
Human and great ape chromosome evolution Human and great ape chromosome evolution
Video: Skin Cancer

For a complete list of videos, visit our video library