Author Question: Cosmology is the study of the overall structure and evolution of A) the universe. B) stars. C) ... (Read 24 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
Cosmology is the study of the overall structure and evolution of
 
  A) the universe.
  B) stars.
  C) beauty.
  D) galaxies.

Question 2

Fire a cannonball from a cannon and it curves due to gravity. Shine a light from a flashlight and it
 
  A) curves per second the same as the cannonball.
  B) follows a straight-line path with no curvature at all.
  C) curves half as much as the cannonball.
  D) curves slightly, but not as much per second as the cannonball.

Question 3

In a 1-g gravitational field, in 1 s, a light beam will curve beneath a perfectly straight line by
 
  A) much less than 4.9 m.
  B) about 4.9 m.
  C) much more than 4.9 m.



potomatos

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

Answer: A

Answer to Question 2

Thank you soo much

Answer to Question 3

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

For a complete list of videos, visit our video library