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Author Question: What charge appears on the plates of a 2.0-F capacitor when it is charged to 100 V? A) 0 C B) 50 ... (Read 30 times)

wenmo

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on: Jul 29, 2018
What charge appears on the plates of a 2.0-F capacitor when it is charged to 100 V?
 
  A) 0 C
  B) 50 C
  C) 100 C
  D) 150 C
  E) 200 C

Question 2

A centrifuge takes 100 s to spin up from rest to its final angular speed with constant angular acceleration. A point located 8.00 cm from the axis of rotation of the centrifuge moves with a speed of 150 m/s when the centrifuge is at full speed.
 
  (a) What is the average angular acceleration of the centrifuge as it spins up? (b) How many revolutions does the centrifuge make as it goes from rest to its final angular speed?


brittiany.barnes

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

E

Answer to Question 2

(a) 18.8 rad/s2
(b) 1.49  104 revolutions


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