Question

A human heart, on average, is found to beat 75 time a minute. calculate its frequency​

Answer 1

Answer:

frequency = no of oscillations per second

frequency =75/60=5/4=1.25 Hertz

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Answer 2

Answer:

1.25 hertz

Explanation:

In 1 min it beat = 75 times

So, in 1 sec it bear = 75/60 times = 1.25 times

because frequency means 'per second'

answer is 1.25 times per second

i.e, 1.25 hertz