Work, Energy & Power · JEE Main previous year questions

2015 1 question

1. Q322015 · 4 Apr 2015 · Shift 1

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

   1. A.$56\%$
   2. B.$62\%$
   3. C.$44\%$
   4. D.$50\%$
   Show answer

   Answer: A