Home JEE Main - Previous Year Papers JEE MAIN 2021 PAPER -10 A ball of mass , moving with a velocity of …
JEE Main - Previous Year Papers JEE MAIN 2021 PAPER -10 Single Correct MCQ
Published on: August 23, 2026

A ball of mass , moving with a velocity of , collides with a spring of length and force constant . The length of the compressed spring is . The value of , to the nearest integer, is

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The correct answer is:
6

(6) Let's say the compression in the spring by: . So, by work energy theorem we have

final length of spring

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