The heart of running athlete is beating 100 times a minute. If the work done by the heart per beat is 1)2 J, calculate the power of the heart.
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power= work/time
if heart works 12J in 1beat
in 100 beats,work = 1200J
time= 1 min=60 seconds
power= 1200/60=20watts
final answer = 20 watts
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