Warm-Up Exercise 21

Due 10:00 am, Wed, Feb. 20

Physics 123, Winter Semester, 2012

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Did you carefully complete the reading assignment?
yes no

So what are beats anyway? Explain how they arise. Can you think of an example of beats that occurs in everyday life?

In your own words, explain why you get an uncertainty relation when you construct a non-sinusodial wave by summing up many sine waves of different frequencies

Was there anything that you didn't understand in the reading assignment? If so, explain.


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