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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 352 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
:D TYSM

steff9894

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Reply 3 on: Yesterday
Wow, this really help

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