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arjunchandrasek
11.12.2019 •
Physics
a set of water waves travels at 10.0 m/s, and 5.0 waves pass you in 4.0 s. what is the wavelength of the waves?
a.) 0.20 m
b.) 8.0 m
c.) 4.0 m
d.) 0.25 m
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Ответ:
B) 8.0 m
Explanation:
First of all, we can find the frequency of the wave, which is equal to the number of waves that pass a given point per second. Therefore:
which means 1.25 waves/second.
Then we can find the wavelength of the water waves, which is given by:
where
v = 10.0 m/s is the speed of the wave
f = 1.25 Hz is the wave frequency
Substituting, we find
Ответ:
0.25
Step-by-step explanation:
i used a caculator (sorry im terrible at spelling)