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A mass m connected to inextensible strin...

A mass m connected to inextensible string of length l lie on a horizontal smooth ground. Other end of string is fixed. Mass m is imparted a velocity v such that string remains taut `&` motion occurs in horizontal providely stirng during the time string turns through `90^(@)`

A

2mv

B

mv

C

`sqrt(2)mv`

D

`msqrt(2v^(2)-2gl)`

Text Solution

Verified by Experts

Impulse `=Deltavecp=vecP_(f)-vecp_(i)=m Deltavecv`
`=m(vhatj-vhati)`
|impulse| `=sqrt(2)mv`
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