Multiple choice

What evidence proves that the kinetic energy of clapping transforms into something else?

  1. the heat created from friction

  2. the sound that is heard

  3. the pause in between claps

  4. all of the above

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

When clapping, the kinetic energy of the hands is transformed into sound energy (the noise) and thermal energy (heat generated by friction and impact).