JEE Advanced 2021 Full Test 1 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 : 13 of 54

Marks: +1, -0

A particle of mass 0.1kg moving horizontally with velocity 20m∕s strikes a stationary sedge of mass 0.05kg near the apex of the wedge and comes to rest immediately after the collision. The wedge is free to move on the smooth floor. Second collision of particle with wedge occurs at B. If the length AB of wedge is

10K

√5

meter, then find K. Take θ=cot−1(2). Neglect the toppling of wedge.

Your Answer:

Validate

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