A metal wire of length 0.5 m and cross-sectional area 10 m has breaking stress 5 x 10 8 Nm -2 . A block of 10 kg is attached at one end of the string and is rotating in a horizontal circle. The maximum linear velocity of block will be____ms -1 .
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T max = Breaking stress x Area
= 5x10 8 x10 -4 = 5x10 4 
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