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

Author Question: When two solid spheres of the same material and same radius r are in contact, the magnitude of the ... (Read 90 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Jul 28, 2018
When two solid spheres of the same material and same radius r are in contact, the magnitude of the gravitational force each exerts on the other is directly proportional to
 a. r.
  b. r2.
  c. r3.
  d. r4.
  e. r6.

Question 2

Three galaxies, each of mass m = 4.0  1041 kg, lie in a plane at the corners of an equilateral triangle with sides of 5.0  1022 m length. The magnitude of the force the other two galaxies exert on each galaxy is
 a. 4.3  1027 N.
  b. 6.4  1027 N.
  c. 7.4  1027 N.
  d. 8.6  1027 N.
  e. 4.3  1028 N.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bison

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


craiczarry

  • Hero Member
  • *****
  • Posts: 527
Reply #2 on: Jul 28, 2018
Thank you!


Bison

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Some viruses, such as the tobacco mosaic virus, use RNA as their genetic material Some viruses, such as the tobacco mosaic virus, use RNA as their genetic material
Contact dermatitis resulting from poison ivy. Contact dermatitis resulting from poison ivy.
The process of phagocytosis: a phagocyte engulfing bacteria or other foreign material. The process of phagocytosis: a phagocyte engulfing bacteria or other foreign material.
Solid-phase synthesis of oligonucleotides by the phosphoramidite method Solid-phase synthesis of oligonucleotides by the phosphoramidite method
Dolly, a Finn Dorset sheep cloned from the genetic material o Dolly, a Finn Dorset sheep cloned from the genetic material o
The extracellular matrix is nonliving material secreted by the cells The extracellular matrix is nonliving material secreted by the cells
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library