Chapter 16485*P16.40Comparing ytx=−+FHGIKJ0351034.sinπππwith yA kx tAtkx+−+sinsinωφωφπbgbgwe havekm=3, ωπ=10s , A=. m. Then vffk===λπλ22103333smms..(a)The rate of energy transport isP×=−121275 10100 353 3315 122322µωAvkgm msWejaf....(b)The energy per cycle isETA=×=−121275 10100 352302322kg msmm3Jaf.P16.41Originally,000121212===µωµATATThe doubled string will have doubled mass-per-length. Presuming that we hold tension constant, itcan carry power larger by 2 times.21220=*P16.42As for a strong wave, the rate of energy transfer is proportional to the square of the amplitude and to
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .