SoccerHalo
25.05.2021 •
Physics
A given wave has a wavelength of 5.0 m and a frequency of 2.0 Hz. How fast
is the wave moving?
A. 8.0 m/s
B. 3.0 m/s
C. 2.5 m/s
D. 10 m/s
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Ответ:
b
Explanation:
Ответ:
output force = ma×input force = 2.5×120 = 300 n