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Author Question: Light travels fastest A) in a vacuum. B) through water. C) through glass. D) through plastic. ... (Read 79 times)

stock

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on: Jul 27, 2018
Light travels fastest
 
  A) in a vacuum.
  B) through water.
  C) through glass.
  D) through plastic.
  E) through diamond.

Question 2

Two point charges of + 30.0 C and - 9.00 C are separated by a distance of 20.0 cm. A +7.00 C charge is placed midway between these two charges. What is the electric force acting on this charge because of the other two charges?
 
  A) 0.453 N directed towards the negative charge
  B) 2.45 N directed towards the negative charge
  C) 2.45 N directed towards the positive charge
  D) 245 N directed towards the positive charge
  E) 245 N directed towards the negative charge


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ladyjames123

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

A

Answer to Question 2

E


stock

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Reply 2 on: Jul 27, 2018
Gracias!

dantucker

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Reply 3 on: Yesterday
Excellent

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