123Fall2016_Final1_LectureOnly

If you and the police car are moving towards each

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7. [6 Points] If you and the police car are moving towards each other with a relative speed of 32 m/s, what frequency do you hear in your car?
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Name ______________________________________ Student ID __________________ Score____ _______ last first Physics 123 A, Fall 2016 Final, page 7 Two linearly polarizing sheets are arranged one after the other as shown in the figure below. The polarization axis of the first polarizer (I) is parallel to the y axis. The polarization axis of the second (II) sheet is 90 degrees with respect to the first. Each sheet is 2 meters in diameter, and they are separated by 2L. Unpolarized light of 50W is shining on the first sheet. 50 W I II x 0 -L +L y
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