Question

Energy can transfer from one form to another. For instance, a piano transforms _____________ energy to ________ energy.
A. light, mechanical
B. mechanical, nuclear
C. mechanical, sound
D. heat, mechanical

Answer 1

I think it c?

Answer 2

Yes c - you hit a piano key, causing the hammer attached to it to hit a string and make it vibrate. The vibrating string causes vibrations in the air around it, producing the sound you hear.

Answer 3

c

Answer 4

c is right sure