Question

The heart of a man beats 75 times a minute what is its frequency and time period

Answer 1

Answer:

Hertz is synonymous with “cycles per second”. 75 beats/60 seconds = 1.25 beats per second which can be expressed as 1.25 Hz. The time period of the heart beat is an expression of seconds per beat (the duration of each heartbeat). 60 seconds/75 beats = 0.8 seconds per beat. If the patient is in sinus rhythm we can say the sinus cycle length is 800 milliseconds.

Answer 2

The frequency and time period of the heart is 1.25 Hz and 0.8 s respectively.

Explanation:

It is given that, the heart of a man beats 75 times a minute. We know that number of oscillations per unit time of an object is called its frequency. Let f is its frequency. So,

$f=\dfrac{75}{60\ s}$

f = 1.25 Hz

So, the frequency of the heart of a man is 1.25 Hz. Let T is the time period of the man's heart. So,

$T=\dfrac{1}{f}$

$T=\dfrac{1}{1.25}$

T = 0.8 s

So, the frequency and time period of the heart is 1.25 Hz and 0.8 s respectively. Hence, this is the require solution.

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