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What is the period of a wave traveling with a speed of 20 m/s and the wavelength is 4.0 m?​

Sagot :

Explanation:

speed= frequency * wavelength

20=x*4

frequency=20/4

=5Hz

period=1/frequency

1/5

=0.2

Answer:

0.2s

Explanation:

wave formula

v=(lambda)f

20=(4)f

20÷4

=5Hz

1÷5

T=0.2s