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The vibrations of a string of length 60 ...

The vibrations of a string of length 60 cm fixed at both ends are represented by the equation
`y=4 sin (pix//15) cos (96 pit)`
where x and y are in cm and t in seconds. The maximum displacement at x = 5 cm is–

A

`2sqrt(3) cm `

B

`3sqrt(2)cm`

C

`sqrt(2) cm`

D

`sqrt(3)cm`

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The correct Answer is:
A
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