The periodic wave in the diagram below has a frequency of 40 hertz. What
is the speed of the wave?
answers:
A. 120 m/s
B. 60 m/s
C. 27 m/s
D. 13 m/s
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Ответ:
60. m/s
60 m/s is the answer i hope this helps pls give me the brainliest
Ответ:
(I'm not 100% sure about this)
Maybe its because the soccer ball is faulty. Such troublemakers can include holes in the ball, preventing it from inflating.