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Author Question: A solid block of metal is placed in a uniform electric field. Which statement is correct concerning ... (Read 207 times)

kellyjaisingh

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on: Jul 27, 2018
A solid block of metal is placed in a uniform electric field. Which statement is correct concerning the electric field in the block's interior?
 
  A) The interior field points in a direction opposite to the exterior field.
  B) There is no electric field in the block's interior.
  C) The interior field points in a direction that is parallel to the exterior field.
  D) The interior field points in a direction that is at right angles to the exterior field.

Question 2

Fred swings around a 0.40 kg ball attached to a string at constant speed in an almost horizontal circle of radius 1.3 meters. If one revolution takes 1.4 s:
 
  (a) What is the angular speed of the ball?
  (b) What centripetal force is exerted on the ball?


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eliasc0401

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

(a) 4.5 rad/s
(b) 10. Newtons


kellyjaisingh

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Reply #2 on: Jul 27, 2018
Thank you!


eliasc0401

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Reply #3 on: Jul 27, 2018
Always glad to help...


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