A particle of mass


A particle of mass $m$ moving in the $x$ direction with speed $2 v$ is hit by another particle of mass $2 m$ moving in the y direction with speed $v$. If the collisions perfectly inelastic, the percentage loss in the energy during the collision is close to:

  1. $56 \%$

  2. $62 \%$

  3. $44 \%$

  4. $50 \%$

Correct Option: 1


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