A rod of length 50 cm is pivoted at one end. It is raised such that if makes an angle of 30° fro the horizontal as shown and released from rest. Its angular speed when it passes through the horizontal (in rad s⁻¹) will be (g = 10 ms⁻²).
(A) √(30/2)
(B) √30
(C) √(20/2)
(D) √(30)/2
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Answer:
B. will be correct answers
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option A is correct
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