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Author Question: If the distance between two isolated parallel plates that are oppositely charged is doubled, the ... (Read 148 times)

savannahhooper

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If the distance between two isolated parallel plates that are oppositely charged is doubled, the electric field between the plates is essentially unchanged. However, the:
 a. charge on each plate will double.
  b. force on a charged particle halfway between the plates will get twice as small.
  c. potential difference between the plates will double.
  d. force on a charged particle halfway between the plates will get four times as small.

Question 2

A 4.0 ft by 8.0 ft sheet of plywood of uniform density and thickness lies in the 1st quadrant with its long side along the x axis, one corner at the origin, and the diagonally opposite corner at position (x, y) = (8.0 ft, 4.0 ft). The lower right 2.0 ft by 4.0 ft quarter of the sheet is removed from the sheet. What are the coordinates of the center of mass of the remaining portion of the sheet?
 a. (2.0 ft, 4.0 ft)
  c. (3.3 ft, 1.7 ft)
  b. (1.0 ft, 2.0 ft)
  d. (3.3 ft, 2.3 ft)



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shailee

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Answer to Question 1

C

Answer to Question 2

D




savannahhooper

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Reply 2 on: Jul 28, 2018
Gracias!


mohan

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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