Test Academy | With what angular velocity should a 20 m long cord be rotated such that tension in it, while reaching the highest point, is zero 0.5 rad/sec, 0.2 rad/sec, 7.5 rad/sec, 0.7 rad/sec

Question

With what angular velocity should a 20 m long cord be rotated such that tension in it, while reaching the highest point, is zero

Options :

0.5 rad/sec
0.2 rad/sec
7.5 rad/sec
0.7 rad/sec

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