Question

Human heart on the average beats 72 times per minute it is frequency is

Answer 1

The frequency of heart beat a.k.a Cardiac Cycle or the time taken for one cardiac cycle is:

60/72= 0.8s

Answer 2

Human heart on the average beats 72 times per minute it is frequency is 0.83s.

Explanation:

• Frequency can be defined as the number of oscillation per second.

• To find out the frequency we need to divide the average beat that is 72 by the time in which it takes place that is 60 seconds.

• So,we get 1.2 beats per second and this the required frequency .

• We can also calculate the time taken for one beat that is 0.83 seconds. O.83s second is also the normal duration of 1 cardiac cycle.

        $\frac{72 beats}{60 seconds}=1.2$ beats per second and $\frac{1}{1.2 }$ time period of one beat.

• In one second it beat 1.2 times and per beat it would be 0.83 seconds long.

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