Multiple choice

If a cell from canon bursts in the air, the total kinetic energy

  1. increases

  2. decreases

  3. remains constant

  4. may increase or decrease

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

When a balloon bursts, the stored elastic potential energy converts to kinetic energy of the rubber fragments and air. The total kinetic energy increases as potential energy decreases, conserving total energy.