Question

12.
A particle is tied to 20 cm long string. It performs
circular motion in vertical plane. What is the
angular velocity of string when the particle is at
a top of the circle given that tension in the string
at the top is zero
(1) 5 rad/s
(2) 2 rad/s
(3) 7.5 rad/s
(4) 7 rad/s
Please give full explanation

Answer 1

Answer:

ANS IS (2)2rad/s ok bro now you understand

Answer 2

Explanation:

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