JEE Main Physics question
A ball of mass kg is attached to one end of a string of length m whose other end is fixed to a point above, and the ball is whirled so as to describe a horizontal circle about the vertical through the fixed point (conical pendulum). The maximum tension the string can bear is N. The maximum possible value of the angular velocity of the ball, in rad/s, is
Answer: (D)
Solution
For a conical pendulum, resolving tension along the string: and , which gives $T =
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