Asked by Jessica

PLEASE PLEASE HELP!!


A wave with a wavelength of 2 meters travels at 6 hz. What is its velocity?



3 m/s

4 m/s

8 m/s

12 m/s


And:

One-hundred (100) wavelengths pass every 5 seconds. What is the frequency of the wave?


1 Hz

20 Hz

500 Hz

It cannot be determined.
Answered by DrBob222
1. I assume when you say "travels at 5 Hz you mean the frequency is 6 Hz.
v= freq x wavelength. Substitute and solve for v.
Answered by DrBob222
2. Frequency is the number of wavelengths that pass a point in 1 sec. So you have 100 passing in 5 seconds. How many will pass in 1 sec?
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