Multiple Choice
A 60-vibration-per-second wave travels 30 meters in 1 second.Its frequency is
A) 30 hertz and it travels at 60 m/s.
B) 60 hertz and it travels at 30 m/s.
C) 1800 hertz and it travels at 2 m/s.
Correct Answer:

Verified
Correct Answer:
Verified
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