The answer is B. A guitar generally produces sound waves that propagate when the strings are strummed. The strings are displaced through the vibrations caused by contact of the hand and the guitar. You will also notice the vibrations by looking closely to the string. Wave particles continuously collide with each other to make a sustaining or prolonging sound.
Answer:
a. physical
b.chemical
c.chemical
d.physical
Explanation:
A. You can easily unbend the wire and reverse the change
D. No new products were created
THE ANSWER IS B AND C AS CHEMICAL CHANGES
Answer:
Should be 0.6106 though i could be wrong
Explanation:
