Question

A simple pendulum of length 'l' carries a bob of mass m. If the breaking strength of string is 3/2mg, the maximum angular amplitude from the vertical can be
(a)60°
(b)30°
(c)cos^-1(2/3)
(d)cos^-1(3/4)
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Answer 1

Answer:

3 .20 mg Vertically amplitude from angular

Explanation:

Answer is C