Home JEE Main - Previous Year Papers JEE MAIN 2020 PAPER-3 Two masses each of mass are moving with vel…
JEE Main - Previous Year Papers JEE MAIN 2020 PAPER-3 Single Correct MCQ
Published on: August 22, 2026

Two masses each of mass are moving with velocities along -axis and along -axis respectively. After an elastic collision one of the mass moves with velocity . If the energy of the other mass after the collision is , then is

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The correct answer is:
1

(1) Mass of each object,

Initial velocity of object,

Initial velocity of object,

Final velocity of object,

For elastic collision, kinetic energy remains conserved

Initial kinetic energy Final kinetic energy

Kinetic energy of second object

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