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 53 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?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Divisions of the nervous system Divisions of the nervous system
The Autonomic Nervous System The Autonomic Nervous System
Disorders of the Respiratory System Cont Disorders of the Respiratory System Cont
Bile duct system of the liver and gallbladder. Bile duct system of the liver and gallbladder.
Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins
There has been a widespread loss of glacier mass globally There has been a widespread loss of glacier mass globally
Video: The Pressure Flow Model in a Plant

For a complete list of videos, visit our video library