1.

A weightless thread can bear tension upto 3.7 kg wt. A stone of mass 500 gms is tied to it and revolved in a circular path of radius 4 m in a vertical plane. If \[g=10\,m{{s}^{-2}}\], then the maximum angular velocity of the stone will be                                      [MP PMT/PET 1998]

A.             4 radians/sec
B.                      16 radians/sec
C.             \[\sqrt{21}\] radians/sec          
D.             2 radians/sec
Answer» B.                      16 radians/sec


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