A meter stick AB of length 1 meter rests on a frictionless floor in horizontal position with end A attached to the string as shown. Assume that string connecting meter stick with pulley always remains vertical.

Time taken to cover the distance in above part is :

Options

A. `((sqrt(2)+1)/(4sqrt(2)))sec`
B. `((sqrt(2)-1)/(4sqrt(2)))sec`
C. `(1)/(4sqrt(2))sec`
D. `(1)/(8)sec`

Answer

C

Explanation

`t=(x)/(v_(A))=(1)/(4sqrt(2))sec`