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.
D)none of the above

Question

Quizplus · Accepted Answer

Frequency = number of vibrations per second = 60 Hz (given)
Distance traveled in 1 second = 30 meters (given)

Speed = distance/time = 30 meters/1 second = 30 m/s

Therefore, the correct option is B) 60 hertz and it travels at 30 m/s.

A 60-Vibration-Per-Second Wave Travels 30 Meters in 1 Second