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Author Question: Identical 8.0-C point charges are positioned on the x axis at x = 1.0 m and released from rest ... (Read 130 times)

APUS57

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on: Jul 28, 2018
Identical 8.0-C point charges are positioned on the x axis at x = 1.0 m and released from rest simultaneously. What is the kinetic energy of either of the charges after it has moved 2.0 m?
 a. 84 mJ
  b. 54 mJ
  c. 96 mJ
  d. 63 mJ
  e. 48 mJ

Question 2

Four identical point charges (+4.0 C) are placed at the corners of a square which has 20-cm sides. How much work is required to assemble this charge arrangement starting with each of the charges a very large distance from any of the other charges?
 a. +2.9 J
  b. +3.9 J
  c. +2.2 J
  d. +4.3 J
  e. +1.9 J


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brittrenee

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

c

Answer to Question 2

b


APUS57

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

dantucker

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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