Two blocks of masses 5 kg and 10 kg are ...

Two blocks of masses 5 kg and 10 kg are connected by a metal wire going over a smooth pulley as shown in the figure. The breaking stress of the metal wire is `2xx10^(9)"N m"^(-2)`. If `g=10ms^(-2)`, then what is the minimum radius of the wire which will not break

0.1 mm

0.2 mm

0.05 mm

0.25 mm

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