Answer: F
Explanation: the pulsation caused by the combination of two waves of slightly different frequencies.
Answer:
False.
Explanation:
Decibels (dB) measure sound levels
534.8 meters
Use T=(2*pi*r)/v
560=(2*pi*r)/6
3360=2*pi*r
1680=pi*r
534.8 meters=radius
Answer: A