JEE Advanced 2021 Full Test 3 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 : 14 of 54

Marks: +1, -0

Consider two rings of masses M1=100gm and M2= 200gm connected by a spring of force constant 240 N∕M and natural length 100cm. Rings are passing through two smooth rails as shown. A ring of mass M1 is thrown along rails with speed 12M∕s. Calculate maximum elongation of spring (in cm) during subsequent motion.

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