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प्रश्न
The heart of running athlete is beating 100 times a minute. If the work done by the heart per beat 1.2 J, calculate the power of the heart.
संख्यात्मक
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उत्तर
Number of beats made by heart in 1 minute (60s) = 100
∴ Number of beats made by heart in 1 second = \[\frac{100}{60} \]
∴ Power of heart = number of beats per sec work done per beat = \[\frac{100}{60} \times 1.2 \]
= 2 W
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