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

Author Question: The factor fnow, in the Drake equation depends on A) whether a civilization ever develops ... (Read 21 times)

j.rubin

  • Hero Member
  • *****
  • Posts: 557
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


j.rubin

  • Member
  • Posts: 557
Reply 2 on: Jul 27, 2018
Excellent

sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Transcription Factor Transcription Factor
Torso of a "priest-king," from Mohenjo-daro, Indus Valley civilization. Torso of a "priest-king," from Mohenjo-daro, Indus Valley civilization.
How to fully analyze the standard and factored form of a quadratic equation (Question 1) How to fully analyze the standard and factored form of a quadratic equation (Question 1)
How to quickly find the vertex of a quadratic equation that is in standard form How to quickly find the vertex of a quadratic equation that is in standard form
Equation Equation
The line with the equation y=5x+12 intersects the parabola with equation y=xsqared+7x-3 at the ... The line with the equation y=5x+12 intersects the parabola with equation y=xsqared+7x-3 at the ...
Video: Male Reproductive System - Testosterone

For a complete list of videos, visit our video library