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Rotational Motion question

2018 · 15 Apr · Shift 2 · Q54
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  5. /2018 · 15 Apr · Shift 2 · Q54

Rotational Motion question

2018 · 15 Apr · Shift 2 · Q54

JEE MainPhysicsRotational MotionMCQ+4 / −1
A thin rod MN, free to rotate in the vertical plane aboutthe fixed end N, is held horizontal. When the end M is released the speed of this end, when the rod makes an angle α\alphaα with the horizontal, will be proportional to : (see figure) JEE Main 2018 (Online) 15th April Evening Slot Physics - Rotational Motion Question 201 English
  1. A
    sin⁡α\sqrt {\sin \alpha }sinα​
  2. B
    sin⁡α{\sin \alpha }sinα
  3. C
    cos⁡α\sqrt {\cos \alpha }cosα​
  4. D
    cos⁡α{\cos \alpha }cosα
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