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Author Question: In Fizeau's experiment for measuring the speed of light, the wheel has 475 notches. What rotational ... (Read 67 times)

cabate

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on: Jul 29, 2018
In Fizeau's experiment for measuring the speed of light, the wheel has 475 notches. What rotational speed is required for the return beam of light to pass through the next notch? The time between successive notches is 6.65  10-5 s.
 
  A) 20.4 rev/sec
  B) 16.6 rev/sec
  C) 31.7 rev/sec
  D) 66.4 rev/sec
  E) 90.9 rev/sec

Question 2

A uniform solid disk of radius 1.60 m and mass 2.30 kg rolls without slipping to the bottom of an inclined plane. If the angular velocity of the disk is 5.35 rad/s at the bottom, what is the height of the inclined plane?
 
  A) 5.61 m
  B) 4.21 m
  C) 4.94 m
  D) 6.73 m


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briezy

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

C

Answer to Question 2

A


cabate

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Reply #2 on: Jul 29, 2018
TY


briezy

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Reply #3 on: Jul 29, 2018
You're welcome


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