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

Author Question: When you plot the position of sun-like stars, you will find that ___. a. almost all sun-like ... (Read 8 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
When you plot the position of sun-like stars, you will find that ___.
 
  a. almost all sun-like stars are found in spiral arms
 b. sun-like stars are found in and out of spiral arms
 c. sun-like stars are left behind by the spiral arms that created them
 d. sun-like stars are only found in the outer 2/3 of the disk
 e. sun-like stars are only found in the inner 2/3 of the disk

Question 2

What is the circular velocity of an object orbiting Earth at a distance of 100,000 km from Earth's center? Hint: ; G = 6.67 10-11 m3/s2/kg
 
  a. 0.2 m/s
 b. 2 m/s
 c. 20 m/s
 d. 200 m/s
 e. 2,000 m/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dellikani2015

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

b

Answer to Question 2

e



Evvie72

  • Hero Member
  • *****
  • Posts: 519
Both answers were spot on, thank you once again




 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

For a complete list of videos, visit our video library