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Author Question: When an ideal gas is expanded in volume at constant pressure, the average kinetic energy of the gas ... (Read 124 times)

vHAUNG6011

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When an ideal gas is expanded in volume at constant pressure, the average kinetic energy of the gas molecules
 
  A) increases.
  B) decreases.
  C) does not change.
  D) may either increase or decrease, depending on whether or not the process is carried out adiabatically.
  E) may or may not change, but insufficient information is given to make such a determination.

Question 2

Two long parallel wires carry currents of 10 A in opposite directions. They are separated by 40 cm.
 
  What is the magnitude of the magnetic field in the plane of the wires at a point that is 20 cm from one wire and 60 cm from the other? (0 = 4  10-7 T  m/A)
  A) 3.3 T B) 1.5 T C) 6.7 T D) 33 T E) 67 T



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recede

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Answer to Question 1

A

Answer to Question 2

C





 

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