A motor is used to produce 4.0 waves each second in a string. What is the frequency of the waves? F 0.25 Hz G 15 Hz<

Question

A motor is used to produce
4.0 waves each second in a string.
What is the frequency of the waves?
F 0.25 Hz
G 15 Hz
H 25 Hz
J 4.0 Hz

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Helga 5 years 2021-07-15T15:12:03+00:00 1 Answers 72 views 0

Answers ( )

  1. thongdat2
    0
    2021-07-15T15:13:36+00:00
    Reply

    Your answer would be 4.0 hz.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )