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Author Question: A fluid in an insulated, flexible bottle is heated by a high resistance wire and expands. If of ... (Read 23 times)

WhattoUnderstand

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A fluid in an insulated, flexible bottle is heated by a high resistance wire and expands.
 
  If of thermal energy is transferred through heating to the system and it - of work is done on it, how much does the internal (thermal) energy of the fluid change? A) 4.0 kJ
  B) 14 kJ
  C) -4.0 kJ
  D) 45 kJ

Question 2

As you are moving very quickly toward a speaker emitting a pure tone, which characteristics of the sound get larger? (There may be more than one correct choice.)
 
  A) frequency
  B) amplitude
  C) wavelength
  D) period
  E) loudness



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soda0602

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Answer to Question 1

A

Answer to Question 2

A, E




WhattoUnderstand

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Reply 2 on: Jul 29, 2018
Gracias!


shailee

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Reply 3 on: Yesterday
Excellent

 

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