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Author Question: If the temperature of a gas is increased from 20C to 100C, by what factor does the rms speed of an ... (Read 79 times)

rosent76

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on: Jul 29, 2018
If the temperature of a gas is increased from 20C to 100C, by what factor does the rms speed of an ideal molecule change?
 
  A) 1.1
  B) 1.3
  C) 2.2
  D) 1.6

Question 2

How much energy is necessary to place three +2.0-C point charges at the vertices of an equilateral triangle of side 2.0 cm if they started out extremely far away? (k = 1/40 = 9.0  109 N  m2/C2)
 
  A) 4.5 J
  B) 5.4 J
  C) 6.7 J
  D) 7.6 J


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voltaire123

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

A

Answer to Question 2

B


rosent76

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Reply 2 on: Jul 29, 2018
Gracias!

JCABRERA33

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Reply 3 on: Yesterday
Excellent

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