2 years ago

Helpppp!!!ASAP!! THANK YOUUUU!

Physics

1 answer:

mario62 [17]2 years ago

4 0

Answer:

F = 9.675Hz

Explanation:

pls for certain reasons let us make

wavelength = $
frequency = F
V = velocity

3 loops : 6$/4 = L

6$/4 = 2

$ = 4/3 = 1.333

V = F x $

F = V/$

F = 12.9/1.333 = 9.675Hz

F = 9.675Hz

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