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Author Question: The rule for the interaction of magnetic poles is similar to the rule for electric A) circuits. ... (Read 69 times)

ssal

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on: Jul 29, 2018
The rule for the interaction of magnetic poles is similar to the rule for electric
 
  A) circuits.
  B) polarization.
  C) charges.

Question 2

A hot air balloon has a volume of 2.00  103 m3 when fully inflated, and the air inside the balloon is always at atmospheric pressure of 1.01  105 Pa
 
  because of the large opening used to fill the balloon and heat the air inside it. What is the mass of hot air inside the balloon if its temperature is 120C? The universal gas constant is 8.314 J/molK. (Assume a molecular weight of 28.8 g/mol for air.)
  A) 1780 kg
  B) 5850 kg
  C) 203 kg
  D) 62.0 kg


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maaaaaaaaaa

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

Answer: C

Answer to Question 2

A


ssal

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Reply 2 on: Jul 29, 2018
Excellent

Joy Chen

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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