Multiple choice

If the momentum of a body is doubled, the kinetic energy ___________.

  1. becomes halved

  2. gets doubled

  3. remains unchanged

  4. becomes fourtimes

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yes, it is correct. Momentum  = M * V is directly proportional to velocity and kinetic energy is proportional to square of velocity. If the velocity is doubled,  the momentum is doubled and and kinetic energy becomes four times.