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Author Question: At a certain instant, a compact disc is rotating at 210 rpm. What is its angular speed in rad/s? ... (Read 354 times)

jlmhmf

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on: Jul 29, 2018
At a certain instant, a compact disc is rotating at 210 rpm. What is its angular speed in rad/s?
 
  A) 11 rad/s
  B) 22 rad/s
  C) 45 rad/s
  D) 69 rad/s
  E) 660 rad/s

Question 2

The sun subtends an angle of 0.00928 rad when viewed from the surface of the earth, and its distance from Earth is 1.5  1011 m. What is the diameter of the sun?
 
  What will be an ideal response?


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Toya9913

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

1.4  109 m


jlmhmf

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

apple

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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