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The work done by the heart is J J per beat .Calculate the power of the heart if it beats. 72 times in minute. |
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Answer» SOLUTION :Given :Number of beats in 1 minute=72 `therefore` Number of beats per second =`(72)/(60)=1.2` Power of heart =work done per second `1 J xx 1.2 s^(-1)` 1.2 J `s^(-1)` (or 1.2 W) |
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