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a lighthouse flashes every 7.1 seconds what is the frequency

Sagot :

Time period=7.1s

[tex]\boxed{\sf Frequency=\dfrac{1}{Time\:Period}}[/tex]

[tex]\\ \tt\longmapsto Frequency=\dfrac{1}{7.1}[/tex]

[tex]\\ \tt\longmapsto Frequency=0.14Hz[/tex]

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