Author Question: A fluid in an insulated, flexible bottle is heated by a high resistance wire and expands. If of ... (Read 97 times)

WhattoUnderstand · **on:** Jul 29, 2018

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