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14.9: Thinking about the material
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Reflect and research
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Look up a video of the Tacoma Narrows bridge failing, and explain what happened.
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Why do airlines ask you to turn off your electronic devices during take-off?
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Is it true that there is no sound in space?
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What type of wave was first observed in 2015?
To try at home
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Confirm that the reflected pulse from a rope on a string is inverted when the end of the rope is fixed.
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Think of different ways you could create a standing wave at home and try one of them out. How many harmonics can you create? How can you modify your set-up to create more harmonics?
To try in the lab
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Propose an experiment to verify the relation
\(v=\lambda f\)
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Propose an experiment which uses diffraction to measure small distances.
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Propose an experiment to determine the chemical composition of the sun using a CD.
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Design a device which acts as a echolocator and test its effectiveness in different scenarios.
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Propose an experiment to observe triboluminescent x-rays produced by ripping scotch tape off of a surface.
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Investigate and model refraction.
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Investigate and model the doppler effect.
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Investigate and model how standing waves behave on a stretched string, tube, or 2D medium.
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Investigate and model audible beats.
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Investigate and model double-slit interference.