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 35 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?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Material Balance on Coolers in series Material Balance on Coolers in series
Material Balance over #3 Heat Exchanger Material Balance over #3 Heat Exchanger
A general scheme for adding one amino acid in solid-phase peptide synthesis A general scheme for adding one amino acid in solid-phase peptide synthesis
Earth’s Spheres Earth’s Spheres
Dolly, a Finn Dorset sheep cloned from the genetic material o Dolly, a Finn Dorset sheep cloned from the genetic material o
Find the magnitude and the direction of the resultant vector of the vectors below. Find the magnitude and the direction of the resultant vector of the vectors below.
Video: Virtual Tour of the Heart

For a complete list of videos, visit our video library