Sound waves are changes in pressure generated by vibrating molecules. The physical characteristics of sound waves influence the three psychological features of sound: loudness, pitch, and timbre. Loudness depends on the amplitude,or height, of sound waves. The greater the amplitude, the louder the sound perceived.
Answer:
so, why we have to find here..
<h3>stay safe healthy and happy.</h3>
Work = force × distance
= 35 N × 200 m
= 7000 J
The answer is C. Final position minus initial position.
