Question: 1 5 . ( 8 pts ) Two waves are travelling through the same medium. The first wave has a wavelength of 2 m and

15.(8 pts ) Two waves are travelling through the same medium. The first wave has a wavelength of 2 m and a frequency of 150 Hz . The second has a wavelength of 4 m . What is the frequency of the second wave?
a.75 Hz
b.125 Hz
c.50 Hz
d.200 Hz
e.300 Hz
1 5 . ( 8 pts ) Two waves are travelling through

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