If your heart is beating at 76.0 beats per minute, what is the frequency of your heart's oscillations in hertz?A) 3.98 HzB) 4560 HzC) 2.54 HzD) 1450 HzE) 1.27 Hz

E) 1.27 Hz

Explanation:

If the heart beats 76 times in a minute, this means that the time needed for a single beat (the period of the oscillation), is just 1/76 of a minute, as follows:

       

The frequency of the oscillation, by definition, is just the inverse of the period T, as follows:

     

The right answer is the E).

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