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A string with tension T and mass per uni...

A string with tension T and mass per unit length `mu` is clamped down at x=0 and at x=L. at t=0, the string is at rest and displaced in the y-direction
`y(x,0)=2"sin"(2pix)/(L)+2"sin"(pix)/(L)`
Q. The string is released at t=0, and it starts to oscillate. the displacement of string at time t is

A

`(pi^(2)a^(2)T)/(4L)`

B

`(piaT)/(2L)`

C

`-(pi_(2)a_(2)T)/(3L)`

D

`(pi^(2)aT)/(6L)`

Text Solution

Verified by Experts

The correct Answer is:
A
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