JEE Advanced 2021 Full Test 2 Paper 1

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SECTION – C (Numerical Answer Type)
This section contains 06 questions. The answer to each question is a NUMERICAL VALUE. For each question, enter the correct numerical value (in decimal notation, truncated/rounded‐off to the second decimal place; e.g. XXXXX.XX).

Question : 15 of 54

Marks: +1, -0

A wall is inclined to a horizontal surface at an angle of 120° as shown. A rod AB of length L=0.75m is sliding with its two ends A and B on the horizontal surface and on the wall respectively. At the moment angle θ=20° (see figure), the velocity of end A is VA=1.5m∕s towards right. Calculate the angular speed of the rod at this instant. [Take cos‌40°=0.766 ]

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