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प्रश्न
The work done by the heart is 1 Joule per beat. Calculate the power of the heart if it beats 72 times in one.
The heart does a work of 1 J per beat. If the heart beats 72 times in a minute, what will be its power?
The heart of a normal person beats 72 times in a minute and does a work of 1 joule per beat. What is power of the heart?
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उत्तर
Total work done by the heart in one minute (i.e. 60 s.) is 72 beats or 72 joules.
∴ Power of heart = `("W(in Joules)")/("Time(in s)")`
= `72/60"watts"`
= 1.2 watts
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