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Author Question: In a Newton's rings apparatus, the interference effect observed between the rays occurs because of ... (Read 137 times)

robinn137

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on: Jul 29, 2018
In a Newton's rings apparatus, the interference effect observed between the rays occurs because of the path difference between
 
  A)
 
  the top and bottom surfaces of the top piece of glass.
  B)
 
  the top and bottom surfaces of the bottom piece of glass.
  C)
 
  the top and bottom surfaces of the air between the pieces of glass.
  D)
 
  the top and bottom surfaces of the oil between the pieces of glass.
  E)
 
  the top surfaces between the top and bottom pieces of glass.

Question 2

A block lies on a smooth inclined plane tilted at an angle of 35 to the horizontal. (a) Draw the free-body diagram for the block. (b) Determine the block's acceleration as it slides down the inclined plane.
 
  (c) If the block started from rest 8.5 m up the incline from its base, determine the block's speed when it reaches the bottom of the incline. (d) How long did it take the block to reach the bottom of the inclined plane?


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mcarey591

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

C

Answer to Question 2

(a) The block is acted on by the force of gravity directed downward and the normal force due to the inclined plane directed perpendicular to the inclined surface.
(b) 5.6 m/ s2
(c) 9.8 m/s
(d) 1.7 s


robinn137

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Reply #2 on: Jul 29, 2018
Thank you!


mcarey591

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Reply #3 on: Jul 29, 2018
Always glad to help...


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