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Quiz 4 key - Physics 2 14 Q uiz 4 4:30 P M APRIL 1 6 2 010...

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- - - Physics 214, Quiz 4 4:30 PM, APRIL 16, 2010 l/-V T. Bolton Name_~K~b r. Instructions. Print and sign your name on this quiz and on your scantron card. In doing so, you are acknowledging the KSU Honor Code: "On my honor as a student I have neither given nor received unauthorized aid on this eseignment." For two quick points. circle your studio instructor::: Lohman(TU 7:30) Bolton(TU 9:30) Van Domelen(TU 11:30) Murphy(TU 1:30) Lohman(TU 3:30) Farooq(WF 9:30) Van Domelen(WF 11:30) Work alone and answer all questions. Part I questions must be answered on the Scantron cards. Put your name on your card. Color in the correct box completely for every answer with a pencil. If you make a mistake, erase thoroughly. Don't forget to color in the boxes for your WID. If we have to correct this by hand we may take off five points from your score I Part II must be answered in the space provided on the test. The last page is a detachable equation sheet. You may use a calculator. You may ask the proctors questions of clarification. Show your work in a clear and organized manner. You may receive partial credit for partial solutions. Solutions lacking supporting calculations will receive no points. Good luck! ., .. - .. ... .. Ol' Ol .. - From Important Things with Demetri Martin
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- Part I: All questions to be answered on your Scantron card (54 points total). 1. (3 points) If you strike a tuning fork and move it very slowly towards your ear, the main effect you perceive will be? ~An increase in the frequency of the sound. ~ icrease in the intensity of the sound. (c) A decrease in the frequency of the sound. (d) A decrease in the intensity of the sound. 2. (3 points) Let "0000000000" denote a relatively low-pitched police siren and "EEEEEEEEEE" a relatively high pitched police siren. What would you hear from a police car sounding its siren as it approached you from the front and passed you moving in the opposite direction? W "0000000000"- "OOOOOOOOOO"! I-\~ (,,){2 Wi' (.A I. J [) eJ'C,e\,ve.. a.. «!0"EEEEEEEEEE"-"OOOOOOOOOO"! ~J)Of~€r ~,t+ 1 0\P C'-L (c) "OOOOOOOOOO"-"EEEEEEEEEE"! c.p~(., ( ~ ,K TLuz.. S'/rC'''1 (d) "EEEEEEEEEE"-"EEEEEEEEEE'" a /y . 1Vt.6Vt',( W", , 3. (3 points) Which statement is most correct for capacitors operating in AC circuits? \ .--w.. Capacitors are short circuits at low frequencies and open circuits at high frequencies. V '= Z ~ ~apacitors are short circuits at high frequencies and open circuits at low frequencies. f'.G If (c) Capacitors impede the current the same way at all frequencies.
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