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Author Question: When you plot the position of sun-like stars, you will find that ___. a. almost all sun-like ... (Read 50 times)

Evvie72

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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



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dellikani2015

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Answer to Question 1

b

Answer to Question 2

e



Evvie72

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Both answers were spot on, thank you once again




 

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