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Grade 11Wave Motion

what is the max kinetic energy of a longitudnal wave in terms of density and frequency??

Profile image of tarun
8 Years agoGrade 11
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1 Answer

Profile image of Norman Manchu
8 Years ago
Theanswer has been derived below though you should know that kinetic energy of a particle performing SHM is maximum when x=0
Kinetic energy=\frac{kA^{2}}{2}-\frac{kx^{2}}{2} Maximum KE =\frac{kA^{2}}{2} =\frac{mw^{2}A^{2}}{2} =\frac{\rho Vw^{2}A^{2}}{2} =\frac{\rho V4 \pi ^{2}n^{2}A^ {2}}{2} (k=mw^{2} \boldsymbol{and} w. =2 \pi n)

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