5
A stone of mass 5 kg is tied to a string of length
0.2 m. If the breaking tension of the string is 900
N, then the maximum angular velocity, the stone
can have in uniform circular motion is
(1) 30 rad s-1
(2) 20 rad s-1
(3) 10 rad s-1
(4) 40 rad s-1
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