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[" 29.The vibrations of a string of leng...

[" 29.The vibrations of a string of length "60cm" fixed at "],[" both ends are represented by the equation "],[qquad y=4sin(pi x/15)cos(96 pi t)],[" where "x" and "y" are in "cm" and "t" in seconds.The "],[" maximum displacement at "x=5cm" is- "],[[" (A) "2sqrt(3)cm," (B) "3sqrt(2)cm],[" (C) "sqrt(2)cm," (D) "sqrt(3)cm]]

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