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

Author Question: What is the total mass of a binary star system with P = 20 yr and a = 10 AU? a. 2 solar masses ... (Read 115 times)

Zulu123

  • Hero Member
  • *****
  • Posts: 525
on: Jul 27, 2018
What is the total mass of a binary star system with P = 20 yr and a = 10 AU?
 
  a. 2 solar masses
  b. 2.5 solar masses
  c. 0.5 solar mass
  d. 80 solar masses
  e. 0.4 solar mass

Question 2

Which of the following sequences of electromagnetic radiation is correct in order of increasing energy?
 
  a. gamma rays, X-rays, infrared, radio
  b. radio, microwave, gamma rays, UV
  c. visible, UV, X-rays, gamma rays
  d. visible, microwave, radio, infrared
  e. infrared, visible, radio, X-rays


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ricroger

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

c


Zulu123

  • Hero Member
  • *****
  • Posts: 525
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


ricroger

  • Sr. Member
  • ****
  • Posts: 352
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

A model genetic system, the fern Ceratopteris richardii A model genetic system, the fern Ceratopteris richardii
The protonephridial filtration system of flatworms. The protonephridial filtration system of flatworms.
lymphatic system lymphatic system
Star Map Star Map
Part A - Overview of the vertebrate nervous system Part A - Overview of the vertebrate nervous system
Increase in total spending in presidential campaigns, 1976-2020 Increase in total spending in presidential campaigns, 1976-2020
Video: Protein catabolism (Krebs cycle) and Protein anabolism (protein synthesis)

For a complete list of videos, visit our video library