A uniform rope so lies on a table that part of it lays over. The rope begins to slide when the l...

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A uniform rope so lies on a table that part of it lays over. The rope begins to slide when the length of hanging part is \( 25 \% \) of entire length. The co-efficient of friction between rope and table is:
(a) 0.33
(b) 0.25
(c) 0.5
(d) 0.2
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