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

Author Question: Stars A and B are both black holes but have different masses. If the mass of star A is twice as much ... (Read 29 times)

jilianpiloj

  • Hero Member
  • *****
  • Posts: 521
on: Jul 29, 2018
Stars A and B are both black holes but have different masses. If the mass of star A is twice as much as the mass of star B, the average density of star A, compared to the average density of star B will be
 
  A) the same.
  B) four times as much.
  C) one-fourth as much.
  D) half as much.
  E) twice as much.

Question 2

The maximum magnetic energy density of a sinusoidal electromagnetic wave is 8.95  10-5 J/m3. What is the amplitude of the magnetic field component of this wave?
 
  (c = 3.00  108 m/s, 0 = 4  10-7 T  m/A, 0 = 8.85  10-12 C2/N  m2 )
  A) 12.0 T B) 16.0 T C) 15.0 T D) 14.0 T E) 13.0 T


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Pswine

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

C


jilianpiloj

  • Member
  • Posts: 521
Reply 2 on: Jul 29, 2018
Wow, this really help

sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Stars vary widely in size. Stars vary widely in size.
The two bright stars are (left) Alpha Centauri and (right) Beta Centauri. The two bright stars are (left) Alpha Centauri and (right) Beta Centauri.
black cohosh black cohosh
A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ... A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ...
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Determine the mass of a nonvolatile, nonionizing compound that must be added to 4.76 kg of ... Determine the mass of a nonvolatile, nonionizing compound that must be added to 4.76 kg of ...
Video: Miller's reaction chamber experiment Animation

For a complete list of videos, visit our video library