Chapter 12 Review Flashcards
Compare the way a ringing bell moves & does work on the particles in its surroundings with the way a hammer does work when striking a nail.
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How does the amplitude of an oscillating object relate to its rest position?
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Express hertz in terms of one of the seven base SI units.
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Explain briefly how a vibrating string illustrates the law of the conservation of energy
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Explain why natural damping is often desirable.
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What important scientific data have pendulums been used to collect?
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How is energy transported through matter using periodic motion? How is this kind of particle motion different from particle motion due to thermal energy?
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How does wave height compare to wave amplitude?
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How is the power (or energy-transfer rate) of a mechanical wave related to its amplitude? What determines the energy of an electromagnetic wave?
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When transverse waves move through matter, you can see a familiar wave pattern with crests & troughs. What parts of longitudinal waves correspond to crests & troughs?
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What property of a wave changes when it is refracted?
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What are the stationary points in a standing wave called? How many are there in each wavelength?
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Light diffracts around an object far less than sound does. What is formed behind the object as a result?
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(Multiple choice) The ton of an ambulance siren will sound higher
a. When the ambulance drives toward you
b. when you drive toward the ambulance
c. the instant when the ambulance passes by you
d. when the ambulance drives away from you
e. choices a & b
