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IF a tension In a string is 6.4 N. A lo...

IF a tension In a string is 6.4 N. A load at the lower end of a string is 0.1 kg, the length of string is 6 m then find its angular velocity(g=10`m//s^2`)

A

`3 rad//s`

B

`4 rad//s`

C

`2 rad//s`

D

`1 rad//s`

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