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Author Question: A balloon containing 2.0 m3 of hydrogen gas rises from a location at which the temperature is 22C ... (Read 35 times)

OSWALD

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on: Jul 29, 2018
A balloon containing 2.0 m3 of hydrogen gas rises from a location at which the temperature is 22C and the pressure is 101 kPa to a location where the temperature is -39C and the pressure is 20 kPa.
 
  If the balloon is free to expand so that the pressure of the gas inside is equal to the ambient pressure, what is the new volume of the balloon? A) 4.0 m3
  B) 6.0 m3
  C) 8.0 m3
  D) 10 m3
  E) 12 m3

Question 2

An AC generator rotating at 60. Hertz in a 300. Gauss field has 1000. turns and produces an rms voltage of 150. volts and an rms current of 70. Amperes.
 
  (a) What is the peak current?
  (b) What is the area of each turn in the coil?


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Sarahjh

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

C

Answer to Question 2

(a) 99.A
(b) 0.019 m2


OSWALD

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  • Posts: 580
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

yeungji

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

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