document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=267617>Question 267617</A>: <I><SPAN STYLE=\"word-break: break-all;\">   If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have  <BR>\n" );
document.write( "A. a frequency higher than the original frequency. <BR>\n" );
document.write( "B. a period higher than the original period. <BR>\n" );
document.write( "C. an amplitude lower than the original amplitude. <BR>\n" );
document.write( "D. a pitch lower than the original pitch. <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #196346 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=196346\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A, due to the Doppler effect.<BR>\n" );
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document.write( "B is not the answer, but it's poorly worded.  The period would be longer or shorter (in this case shorter), or it would be greater or less.  The period is a length, eg, 50 cm.  Saying something is \"higher than 50 cm\" in length makes no sense.<BR>\n" );
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