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

Author Question: What property of a Cepheid variable can you determine if you know its period? a. surface ... (Read 154 times)

lidoalex

  • Hero Member
  • *****
  • Posts: 538
What property of a Cepheid variable can you determine if you know its period?
 
  a. surface temperature
  b. absolute magnitude
  c. apparent magnitude
  d. mass
 e. radius

Question 2

When two objects of unequal mass orbit each other, the center of mass is ____.
 
  a. at the center of the more massive object
 b. at the center of the least massive object
 c. half way between the centers of each object
 d. always closer to the less massive of the two objects
  e. always closer to the more massive of the two objects



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nickk12214

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

b

Answer to Question 2

e




lidoalex

  • Member
  • Posts: 538
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

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?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

For a complete list of videos, visit our video library