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

Author Question: According to the universal law of gravitation, if you double the masses of both attracting objects, ... (Read 76 times)

Destiiny22

  • Hero Member
  • *****
  • Posts: 557
According to the universal law of gravitation, if you double the masses of both attracting objects, then the gravitational force between them will
 
  A) not change at all.
  B) increase by a factor of 2.
  C) decrease by a factor of 2.
  D) increase by a factor of 4.
  E) decrease by a factor of 4.

Question 2

Suppose it turns out that one in 1 million stars has a planet that at some point in its history is home to an advanced civilization. Then the total number of civilizations that have arisen in our galaxy would be closest to
 
  A) 4.
  B) 40.
  C) 400.
  D) 4,000.
  F) 40,000.
  E) 400,000.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

BUTTHOL369

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

D

Answer to Question 2

E




Destiiny22

  • Member
  • Posts: 557
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


Dinolord

  • Member
  • Posts: 313
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

For a complete list of videos, visit our video library