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A way pulse is travelling on a string of...

A way pulse is travelling on a string of linear mass density `6.4 xx 10^(-3)kg m^(-1)` under a load of `80 kgf`. Calculate the time taken by the pulse to traverse the string, if its length is `0.7 m`.

A

`2xx10^(-3)s`

B

`3xx10^(-3)s`

C

`4xx10^(-2)s`

D

`5xx10^(-2)s`

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The correct Answer is:
A
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