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Author Question: A charged particle (q = 8.0 mC), which moves in a region where the only force acting on the particle ... (Read 118 times)

ARLKQ

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on: Jul 28, 2018
A charged particle (q = 8.0 mC), which moves in a region where the only force acting on the particle is an electric force, is released from rest at point A. At point B the kinetic energy of the particle is equal to 4.8 J. What is the electric potential difference VB  VA?
 a. 0.60 kV
  b. +0.60 kV
  c. +0.80 kV
  d. 0.80 kV
  e. +0.48 kV

Question 2

A 200-volt battery is connected to a 0.50-microfarad parallel-plate, air-filled capacitor. Now the battery is disconnected, with care taken not to discharge the plates. Some Pyrex glass is then inserted between the plates, completely filling up the space. What is the final potential difference between the plates? (The dielectric constant for Pyrex is  = 5.6.)


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jomama

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Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

36 V


ARLKQ

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Reply #2 on: Jul 28, 2018
Thanks


jomama

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Reply #3 on: Jul 28, 2018
Welcome :)


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