This topic contains a solution. Click here to go to the answer

Author Question: The factor fnow, in the Drake equation depends on A) whether a civilization ever develops ... (Read 75 times)

j.rubin

  • Hero Member
  • *****
  • Posts: 557
The factor fnow, in the Drake equation depends on
 
  A) whether a civilization ever develops intelligence
  B) whether a planet has any kind of life on its surface right now
  C) how technologically advanced civilizations become
  D) how long civilizations survive once they have arisen

Question 2

A ball thrown horizontally from a point 24 m above the ground strikes the ground after traveling horizontally a distance of 18 m. With what speed was it thrown? (in this problem use g = 10 m/s2)
 
  A) 7.40 m/s
  B) 6.10 m/s
  C) 8.96 m/s
  D) 8.13 m/s
  E) g



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xoxo123

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

D

Answer to Question 2

D




j.rubin

  • Member
  • Posts: 557
Reply 2 on: Jul 27, 2018
Wow, this really help


ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

For a complete list of videos, visit our video library