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Author Question: An ideal gas undergoes an adiabatic process while doing 25 J of work. What is the change in internal ... (Read 34 times)

washai

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on: Jul 29, 2018
An ideal gas undergoes an adiabatic process while doing 25 J of work. What is the change in internal energy?
 
  A)
 
  zero
  B)
 
  50 J
  C)
 
  25 J
  D)
 
  -25 J
  E)
 
  none of the above

Question 2

A damped harmonic oscillator, with a damping force proportional to its speed, is oscillating with an amplitude of 0.500 cm at t = 0.
 
  When t = 8.20 s, the amplitude has died down to 0.400 cm. At what value of t will the oscillations have an amplitude of 0.250 cm?
  A)
 
  18.5 s
 
  B)
 
  20.5 s
 
  C)
 
  16.5 s
 
  D)
 
  25.5 s
 
  E)
 
  5.13 s


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Bsand8

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

D

Answer to Question 2

D


washai

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Reply 2 on: Jul 29, 2018
Excellent

Bigfoot1984

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

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