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Rotational Motion question

2019 · 9 Jan · Shift 2 · Q50
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Rotational Motion question

2019 · 9 Jan · Shift 2 · Q50

JEE MainPhysicsRotational MotionMCQ+4 / −1
A rod of length 50 cm is pivoted at one end. It is raised such that if makes an angle of 30o from 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) JEE Main 2019 (Online) 9th January Evening Slot Physics - Rotational Motion Question 189 English
  1. A
    307\sqrt {{{30} \over 7}}730​​
  2. B
    30\sqrt {30}30​
  3. C
    203{{\sqrt {20} } \over 3}320​​
  4. D
    302{{\sqrt {30} } \over 2}230​​
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