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

Author Question: A double star system with each star having the mass of the Sun has an orbital period of 1 year. A ... (Read 42 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
on: Jul 28, 2018
A double star system with each star having the mass of the Sun has an orbital period of 1 year. A second double star system, also with each star having the mass of the Sun, has an orbital period of 8 years. If the separation of the stars in the first system is d and the orbits in both cases are circular, what is the separation of the stars in the second system?
 a. 0.5d
  c. 4d
  b. 2d
  d. 8d

Question 2

An observation satellite for mapping purposes is placed in a low Earth orbit. In order to see the whole surface of the Earth, which would be the preferred orbit?
 a. an equatorial orbit
  c. an orbit inclined 45 to the equator
  b. a polar orbit
  d. It doesn't matter since the Earth turns completely every 24 hours.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittiany.barnes

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


debasdf

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


brittiany.barnes

  • Sr. Member
  • ****
  • Posts: 321
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

The Sun is the star at the center of the Solar System. The Sun is the star at the center of the Solar System.
The Mass of Impacts on Earth The Mass of Impacts on Earth
The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Renal blood vessels and the pathway of blood through the renal system. Renal blood vessels and the pathway of blood through the renal system.
Effects of the Autonomic Nervous System Effects of the Autonomic Nervous System
Embryonic Period Embryonic Period
Video: Insulin (glucose uptake by body cells), glycogenesis and lipogenesis

For a complete list of videos, visit our video library