A) 30rad/s
B) 20rad/s
C) 10rad/s
D) 40rad/s
Correct Answer: A
Solution :
\[\operatorname{T}-mg=m{{\omega }^{2}}\ell \] \[900-2\times 10 =2\omega 2\times 0.5\] \[{{\omega }^{2}} =880\] \[\omega = 29.66\] \[\omega = 30 rad/sec\]You need to login to perform this action.
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