WBCS.LIVE practice question

The ratio of kinetic energies of two bodies of same mass 4 : 9. The ratio of their velocities will be:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 4 : 9
  2. 2 : 3
  3. 16 : 81
  4. √2 : √3

Correct answer and explanation

Correct answer: 2 : 3