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A 5.5 m length of string has a mass of 0...

A `5.5` m length of string has a mass of `0.035` kg. If the tension in the string is 77 N, the speed of a wave on the string is :

A

`110" ms"^(-1)`

B

`165" ms"^(-1)`

C

`77" ms"^(-1)`

D

`102^(-1)`

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The correct Answer is:
A
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