Physics, 11.03.2021 19:10 school4life110
The picture below shows the path of a sound wave as it moves from left to right. What
has taken place at X to change the sound wave?
The sound wave has moved into a new material and slowed down,
B
The sound wave has run out of energy and turned into a slower light
wave
The sound wave has moved into a new material and sped up.
D
The sound wave has gained energy and turned into a faster light
wave
Answers: 3
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Astate of matter all that has define volume and can flow is a(n)
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In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
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Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.
Answers: 3
The picture below shows the path of a sound wave as it moves from left to right. What
has taken pla...
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